Nafiudin, Mokhammad, and Ida Rindaningsih. 2026. “Marketing Management Development Strategy of SMP Muhammadiayah 3 Kutorejo Based on The Delta Model: Strategi Pengembangan Manajemen Pemasaran SMP Muhammadiayah 3 Kutorejo Berbasis The Delta Model”. Indonesian Journal of Innovation Studies 27 (2):10.21070/ijins.v27i2.1938. https://doi.org/10.21070/ijins.v27i2.1938.