WIRATAMA, G. P.; ARIEF, A.; REJEKI, H. S. S. Upaya Meningkatkan Prestasi Belajar IPAS Menggunakan Model Problem Based Learning. PROSIDING SEMINAR NASIONAL PENDIDIKAN PROFESI GURU, [S. l.], v. 2, n. 1, p. 578–583, 2023. Disponível em: https://seminar.ustjogja.ac.id/index.php/semnas_ppg_ust/article/view/1666. Acesso em: 13 mei. 2024.