kenioua, mouloud, and Nawal Krine. “SELF-EFFICACY SCALE VALIDATION AMONG FOOTBALL PLAYERS (ALGERIA)”. JIPES - JOURNAL OF INDONESIAN PHYSICAL EDUCATION AND SPORT 6, no. 02 (December 27, 2020): 19-25. Accessed May 7, 2024. https://journal.unj.ac.id/unj/index.php/jipes/article/view/17413.