Purwanti, Purwanti, et al. “How Religious Ethics-Based Problem-Based Learning Shapes Learning Motivation and Academic Discipline: The Mediating Role of Self-Regulation”. Instructional Design and Ethical Pedagogy, vol. 1, no. 1, Aug. 2026, pp. 11-23, https://research.erukasyah.com/index.php/idep/article/view/3.