Stepanyan, Artak, and Edvard Galtagazyan. “Physical Education in Secondary Professional Training Institutions”. Journal of Sociology: Bulletin of Yerevan University 3, no. 2 (June 5, 2012): 31–36. Accessed October 5, 2024. https://pub.ysu.am/index.php/bulletin-ysu-sociology/article/view/vol_3_no_2_2012_pp031-036.