SYAFRIZAL. IMPROVEMENT OF LEARNING PASSING BASKETBALL LEARNING THROUGH APPLICATION OF VARIATION (Action Research Study Business Management Students of SMK Sinar Husni Helvetia). Journal Physical Health Recreation (JPHR), [S. l.], v. 1, n. 1, p. 18–24, 2020. DOI: 10.55081/jphr.v1i1.157. Disponível em: https://www.jurnal.stokbinaguna.ac.id/index.php/JPHR/article/view/157. Acesso em: 16 aug. 2026.