PICCINNO, ANDREA, and DARIO COLELLA. “MOTIVATIONAL CLIMATE AND ENJOYMENT IN PHYSICAL ACTIVITY IN ITALIAN HIGH-SCHOOL STUDENTS: DIFFERENCES BY GENDER”. Fiep Bulletin - online 83, no. 3 (October 31, 2014). Accessed May 18, 2024. https://www.fiepbulletin.net/fiepbulletin/article/view/4729.