Sri Nuhrawaty, S. Syarifuddin, and Muhammad Fahreza W. “Instructional Media Use, Teacher Competence, and Principal Performance As Predictors of Elementary Teacher Performance: Evidence from Indonesia”. International Journal of Education, Vocational and Social Science , Vol. 5, no. 04, Sept. 2026, pp. 1145-54, doi:10.63922/ijevss.v5i04.6524.