PRIAWASANA, Endra; WARIS, Waris. Critical Thinking Ability With Improved Problem Based Learning Approach: Peningkatan Kemampuan Berfikir Kritis Dengan Pendekatan Problem Based Learning. Madrosatuna: Journal of Islamic Elementary School, [S. l.], v. 3, n. 1, p. 49–58, 2019. DOI: 10.21070/madrosatuna.v3i1.1975. Disponível em: https://madrosatuna.umsida.ac.id/index.php/Madrosatuna/article/view/1556. Acesso em: 26 jul. 2025.