Sabariah. Improving Volleyball Bottom Passing Learning Outcomes Through Problem Based Learning (PBL) in Class VIII Students of SMPN 4 BIREM BAYEUN. marga [Internet]. 2023 Aug. 31 [cited 2026 Sep. 8];1(1):46-51. Available from: https://jurnal.stokbinaguna.ac.id/index.php/marga/article/view/2022