IMPLEMENTATION OF THE PROBLEM BASED LEARNING MODEL ON STUDENT LEARNING OUTCOMES IN THE HUMAN CIRCULATION SYSTEM IN CLASS VIII SMP NEGERI 4 STABAT. Jurnal Pelita Pendidikan, [S. l.], v. 14, n. 2, p. 62–67, 2026. DOI: 10.24114/wmcxks68. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/pelita/article/view/74266. Acesso em: 9 jul. 2026.