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), 438-449. https://doi.org/10.31851/jmksp.v11i1.21898