Alay , S., Koçak S. (2004). Effects of Sports Sponsorship on Consumers. 10 th ICHPER.SD Europe Congress & TSSA 8 th International Sports Science Congress, November, page 99, Antalya , Turkey .

Sözeri, B., Koçak S. (2004). The Validity and The Reliability of the Turkish Version of the Motivational Scale for Sport Consumption. 10 th ICHPER.SD Europe Congress & TSSA 8 th International Sports Science Congress, November, page 103, Antalya , Turkey .

Hürmeriç, I. , Saraç, L., Koçak, S. (2004). Primary School Students' Perceptions About Same Sex Versus Coeducational Physical Educational Classes. 10 th ICHPER.SD Europe Congress & TSSA 8 th International Sports Science Congress, November, page 122, Antalya , Turkey .

Kin Isler, A., Koçak, S. (2004). Attitudes of Turkish University Students Toward Obesity: Gender and sport Participation Comparison. 10 th ICHPER.SD Europe Congress & TSSA 8 th International Sports Science Congress, November, page 70, Antalya , Turkey .

Gürbüz, B., Koçak, S. (2004). Comparison of Members' Expectations and Perceptions of Service Quality in Health-Fitness Clubs With Respect to Demographic Variables. 10 th ICHPER.SD Europe Congress & TSSA 8 th International Sports Science Congress, November, page 52, Antalya , Turkey .

Koçak, S., Hürmeriç, I. Attitudes of Primary School Students Toward Their Physical Education Classes in Turkey . (2004). 10 th ICHPER.SD Europe Congress & TSSA 8 th International Sports Science Congress, November, page 131, Antalya , Turkey .

Gürbüz, B. & Koçak, S. (2004). The Reliability and Validity of the Turkish Version of the Service Quality Assessment Scale, Abstracts Book of the 19th Conference of the NASSM, pages 206.

Karli, Ü. Koçak, S. (2004). Job Satisfaction Levels of the Personnel Among the Selected Private Health Care and Fitness Centers in Turkey . The Congress Book of Economics and Management of Mega Athletic Events: Olympic Games, Professional Sports, and Other Essays, pages 277-386

Sözeri, B., Koçak S. (2004). Turkish Super League Soccer Clubs' Usage of Internet as a Tool for Marketing Purposes. The Congress Book of Economics and Management of Mega Athletic Events: Olympic Games, Professional Sports, and Other Essays, pages 175-190

Alay , S., Koçak, S., Sözeri, B., and Karli, U. (2004). Motivational Factors Affecting Olympic Volunteerism Among Turkish University Students. The Congress Book of Economics and Management of Mega Athletic Events: Olympic Games, Professional Sports, and Other Essays, pages 43-50.

Öztürk Mehmet, A., Kozub Francis, M., Koçak, S. (2003, August). Impact of Sponsorship on Companies That Sponsored/Supplied The 2002 Salt Lake City Winter Paralympics. 14 th International Symposium Adapted Physical Activity, Seoul/Korea. (Published in Congress Abstract Book, page 141).

Koçak, S., Yildirim, S. (2003, May). The Effects of Teachers' Subject Matter, Attitudes, and Computer Competency on Their Computer Use in the Turkish Basic Educational Schools: Implications and Policies for Pre-service Teacher Training Institutions. International Conference on Higher Education Innovation, Kiev . (Published in Congress Abstract Book, page 95).

Koçak, S., Öztürk, F. (2002, May). Relationship Between Pre-Game State Anxiety and Basketball Performance. National Sports Academy , Anniversary Scientific Conference, Traditions, Current Trends and Perspectives, Sofia . (Published in Congress Abstract Book, pages 308-312 ).

Karakaya, H. & Koçak, S. (2001, November). Effects of Flexibility Training On Hamstring Muscles and Lower Back Flexibility of Active Males over Age of 40. 3 rd International Mediterranean Sport Science Congress Proceeding Book, pages 71-72.

Yildirim, S., Koçak, S. & Kirazci, S. (2001, March). Computers Are Ready But How About Teachers: An Assessment of Turkish Basic Education Teachers' In-service Training Needs. 12 th International Society for Information Technology & Teacher Education Conference Proceeding Book, pages 1031-1036.

Oyar, Z., Koçak, S. & Asçi, H. (2000, November). Perceived Competence Level of Male and Female Athletes and Non Athletes. 6 th Sport Sciences Congress. (Published in Congress Abstract Book, page 225).

Çelik, Ö. & Koçak, S. (2000, November). The Effects of Stroke Patterns on Swimming Velocity. 6 th Sport Sciences Congress. (Published in Congress Abstract Book, page 296).

Karli, Ü. & Koçak, S. (2000, November). Effects of High Dose Oral Creatine Supplementation on Anaerobic Capacity. 6 th Sport Sciences Congress. (Published in Congress Abstract Book, page 171).

Karakiliç, M. & Koçak, S. (2000, November). Corporate Approaches to Sport Sponsorship in Turkey . 6 th Sport Sciences Congress. (Published in Congress Abstract Book, page 110).

Çiçek, S., Kirazci, S. & Koçak, S. (2000, November). The Perception of Elementary School Children on the Criteria of Success and Its Evaluation in Physical Education Classes. 6 th Sport Sciences Congress. (Published in Congress Abstract Book, page 317-318).

Alay , S. & Koçak, S. (2000, November). Relationship between Time Management and Academic Achievement of Selected University Students. 6 th Sport Sciences Congress. (Published in Congress Abstract Book, page 116).

Kirazci, S., Koçak. S. & Çiçek, S. (1998, November). The Way Physical Education Teachers Conduct the Physical Education Classes. 5 th International Sport Science Congress, Ankara , Turkey . (Published in Congress Abstract Book, pages 63-64).

Karakiliç, M., & Koçak, S. (1998, November). Experience and Knowledge level of Football Players about Drug Use in Sport. 5 th International Sport Science Congress, Ankara , Turkey . (Published in Congress Abstract Book, page 244).

Çiçek, S., Koçak. S., and Kirazci, S. (1998, November). Physical Education Teacher Profile in Turkey : Demographic characteristics, Working Atmosphere, and Life Style. 5 th International Sport Science Congress, Ankara , Turkey . (Published in Congress Abstract Book, pages 65-66).

Çiçek, S. & Koçak. S. (1998, July). Video Analysis of Student Teacher Teaching Behavior during Field Practice in Schools. AISEP'98 World Sport Science Congress �Education for Life�, Garden City , New York . (Published in Congress Book, page 117).

Çiçek, S. & Koçak, S. (1998, July). Gender Differences in the Levels of Physical Activity among Selected College Students, Faculties and Staff. AISEP'98 World Sport Science Congress �Education for Life�, Garden City , New York . (Published in Congress Book, pages 378-382).

Basak, E. Kirazci S., & Koçak S. (1998, November). Self-Concept & Body Image of Physically Active and Non-active Disabled Adults. 5 th International Sport Science Congress, Ankara , Türkiye. (Published in Congress Book, pages 141-142).

Koçak, S. & Çiçek, S. (1997, December). Does Attitude Affects Levels of Physical Activity. Presented in AISEP'97 World Congress on Teaching, Coaching and Fitness Needs in Physical Education and Sport Sciences, Singapore . (Published in Conference Abstracts Book, page 60).

Çiçek, S. & Koçak. S. (1997, December). An Evaluation of the Effectiveness of Teacher Education Program in Turkey . AISEP'97 World Congress on Teaching, Coaching and Fitness Needs in Physical Education and Sport Sciences, Singapore . (Published in Conference Abstracts Book, page 31).

Koçak, S. & S. Kirazci (1997, September). The Use of Computer Technology Among Different Ranks, Age Levels in Public and Private Sport Organizations. 5 th Congress of the European Association for Sport Management, Glasgow , UK . (Published in Conference Abstracts Book, pages 188- 191).

Koçak, S. & S. Kirazci (1997, October). Is Gender a Determinant Factor in the Development of Attitudes Toward Physical Education. 1 st International Sport Psychology Symposium, Mersin , Turkey . (Published in Conference Abstracts Book, pages 92-96).