MARISI SIHOMBING; SITI MASITOH; ANDI MARIONO. Effect Of Direct -Problem Based Learning On Critical Thinking In IBDP Students: -. Educational Administration: Theory and Practice, [S. l.], v. 29, n. 4, p. 3274–3279, 2023. DOI: 10.53555/kuey.v29i4.7555. Disponível em: https://www.kuey.net/index.php/kuey/article/view/7555. Acesso em: 26 sep. 2025.