The Effect of the Problem Based Learning Model on Students’ Critical Thinking Skills in Geography at SMAN 1 Trenggalek, Indonesia. Humanities Horizon, [S. l.], v. 1, n. 3, p. 142–152, 2025. DOI: 10.63373/3047-8014/16. Disponível em: https://journal.penapro.org/index.php/hh/article/view/16. Acesso em: 17 apr. 2026.