Dewi, D.S., Farni, E.R. and Suryati, S. 2025. Strengthening Student Discipline through Instructional Strategies in Physics Learning: A Naturalistic Study from Four Pedagogical Perspectives. Schrödinger: Journal of Physics Education. 6, 2 (Jun. 2025), 90-102. DOI:https://doi.org/10.37251/sjpe.v6i2.1878.