Serly Aprianti and Purnama Sari, D. 2026. Multifactor Strategy Model of Principals in Improving Teacher Motivation Post-Self-Development . Jurnal Manajemen Pendidikan Islam Darussalam. 8, 2 (Sep. 2026), 286–299. DOI:https://doi.org/10.30739/jmpid.v8i2.4641.