Nguyen Thi Hong Tham 2026. CURRENT STATUS OF DIFFERENTIATED INSTRUCTION COMPETENCY AMONG PRE-SERVICE FINE ARTS TEACHERS AT SELECTED UNIVERSITIES: A SELF-ASSESSMENT STUDY. HNUE Journal of Science: Journal of Educational Science. 71, 6 (Oct. 2026), 86–95. DOI:https://doi.org/10.18173/2354-1075.2026-%x.