OKLIDIANA, E.; HARYANTO, B. Kotler and Fox Marketing Management Model in Islamic Boarding Schools to Increase the Number of Santri: Model Manajemen Pemasaran Kotler dan Fox di Pondok Pesantren Darut Taqwa Ponorogo untuk Meningkatkan Jumlah Santri. Indonesian Journal of Innovation Studies, [S. l.], v. 27, n. 2, p. 10.21070/ijins.v27i2.1335, 2026. DOI: 10.21070/ijins.v27i2.1335. Disponível em: https://ijins.umsida.ac.id/index.php/ijins/article/view/1335. Acesso em: 6 sep. 2026.