“EDUCATIONAL COSTING PLAN AS A STRATEGY FOR IMPROVING THE QUALITY OF EDUCATIONAL SERVICES”, IZZI: Jurnal Ekonomi Islam, vol. 3, no. 3, hlm. 98–110, Sep 2023, Diakses: 16 Mei 2026. [Daring]. Tersedia pada: https://jurnalstebibama.ac.id/index.php/jizzi/article/view/133