Nafiudin M, Rindaningsih I. 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. ijins [Internet]. 2026 Sep. 2 [cited 2026 Sep. 6];27(2):10.21070/ijins.v27i2.1938. Available from: https://ijins.umsida.ac.id/index.php/ijins/article/view/1938