“The Effect of the Use of Technology-Based Learning Media and Teacher Self-Efficacy on Elementary School Teachers’ Performance in Tanjung Lago District”. 2026. JMKSP (Jurnal Manajemen, Kepemimpinan, Dan Supervisi Pendidikan) 11 (1): 438-49. https://doi.org/10.31851/jmksp.v11i1.21898.