“Implementasi Prinsip-Prinsip Manajemen Mutu Di SMA Negeri 1 Pangkalan Lada”. 2025. Ummul Qura Jurnal Institut Pesantren Sunan Drajat (INSUD) Lamongan 9 (2): 193-205. https://doi.org/10.55352/uq.v9i2.1953.