Pengaruh Pembelajaran Kimia Berbasis Problem Based Learning (PBL) Dalam Meningkatkan Hasil Belajar. Prosiding Seminar Nasional Lembaga Penelitian Dan Pendidikan (LPP) Mandala, [S. l.], p. 196–199, 2018. DOI: 10.1234/.v0i0.398. Disponível em: https://ejournal.mandalanursa.org/index.php/ProsEko/article/view/398. Acesso em: 24 sep. 2026.