The surveying of the socıal comparison and hopeless levels of students who study at the physical education and sport

YILDIZ M., TEKİN M., LÖK S., TAŞĞİN Ö., MEHTAP B.

Ovidius University Annals, Series Physical Education and Sport, Science, Movement and Health, cilt.9, ss.215-219, 2009 (Hakemli Dergi)