“The Effect of Peer Social Support and Intrinsic Motivation on Adolescents’ Physical Activity Levels” (2026) COMPETITOR: Jurnal Pendidikan Kepelatihan Olahraga, 18(1), pp. 1177–1186. Available at: https://competitor.idjournal.eu/index.php/competitor/article/view/561 (Accessed: 22 February 2026).