AHMAD FAISAL MAFAHIR; REKHA RATRI JULIANTI; ABDUL SALAM HIDAYAT. The Effect of the Problem-Based Learning Model on Breaststroke Swimming Instruction for Vocational High School Students. Magistra : Jurnal Keguruan dan Ilmu Pendidikan, [S. l.], v. 12, n. 1, 2025. DOI: 10.36588/tb8bd659. Disponível em: https://journalmagistra.org/index.php/magistra/article/view/56. Acesso em: 23 okt. 2025.