The Effect of Problem-Based Learning Assisted by Animated Videos on Students’ Critical Thinking Skills. Jurnal Ecogen, [S. l.], v. 9, n. 3, p. 595–606, 2026. DOI: 10.24036/ecogen.v9.i3.135. Disponível em: https://pek.ppj.unp.ac.id/index.php/ecogen/article/view/135. Acesso em: 13 oct. 2026.