M. IRVAN RAMADAN SINGARIMBUN; KHAIRUL USMAN. Peningkatan Hasil Belajar Aktivitas fisik PadaMasa Covid-19 Melalui Model Pembelajaran Student Facilitator And Explaining Pada Siswa Kelas Xi SMA Muhammadiyah Kabanjahetahun Ajaran 2019/2020. Jumper: Jurnal Mahasiswa Pendidikan Olahraga, [S. l.], v. 2, n. 1, p. 46–54, 2021. DOI: 10.55081/jumper.v2i1.505. Disponível em: https://stokbinaguna.ac.id/jurnal/index.php/JUMPER/article/view/505. Acesso em: 8 nov. 2026.