Pichchenda, Bun, Chin Samon, Nget Ravuth, and Tann Socheat. 2025. “Teacher Trainees’ Perception of Self-Directed Learning in Social Studies Subject Through Self-Assessment in The Teacher Training Centre”. Management, Sustainability, and Life Span 1 (2):116-27. https://doi.org/10.64780/msl.v1i2.184.