Improving Student Activeness Using Problem Based Learning (PBL) Strategy in Science Subjects in Grade 3 at MI Muhammadiyah 01 Payaman. Jurnal Tematik, [S. l.], v. 15, n. 2, p. 73–76, 2026. DOI: 10.24114/jt.v15i2.68416. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/tematik/article/view/68416. Acesso em: 31 may. 2026.