KINGKIN PINDIALESTA; AKHMAD JUFRIADI; QOMARIYAH. Improving Students’ Conceptual Understanding through the Implementation of the Problem-Based Learning Model Assisted by Animated Video and Formative Assessment: A Case Study of the Diversity of Landforms in Indonesia. Journal of Practice Learning and Educational Development , [S. l.], v. 6, n. 2, p. 1466–1476, 2026. DOI: 10.58737/jpled.v6i2.1247. Disponível em: https://www.digitalpress.gaes-edu.com/index.php/jpled/article/view/1247. Acesso em: 12 aug. 2026.