Fayyaz, Saqib, Sabahat Afsheen, and Adeel Khan. “Impact of Positive Reinforcement Theory on Weightlifter’s Performance”. THE SKY-International Journal of Physical Education and Sports Sciences (IJPESS) 5, no. 1 (December 10, 2021): 61-74. Accessed May 12, 2024. https://www.hpej.net/journals/the-sky/article/view/1004.