Syakur, Muhammad, et al. “Personal Awareness, Group Norms, Social Support and Active Participation in Sport for Madrasah Tsanawiyah Students”. Jp.Jok (Jurnal Pendidikan Jasmani Olahraga Dan Kesehatan), vol. 6, no. 2, Jan. 2025, pp. 249-63, doi:10.33503/jp.jok.v6i2.1013.