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The Effect of Peer Social Support and Intrinsic Motivation on Adolescents’ Physical Activity Levels. Compet. J. Pendidik. Kepelatihan Olahraga [Internet]. 2026 Feb. 21 [cited 2026 Feb. 22];18(1):1177-86. Available from: https://competitor.idjournal.eu/index.php/competitor/article/view/561