Nurhayati N, Annur S, Baharuddin B. Islamic Education Service Marketing Management Based On Ismuba Identity As A Strategy To Strengthen Customer Loyalty In The Era Of Industrial Revolution 4.0. jmpid [Internet]. 2026 Apr. 1 [cited 2026 Apr. 22];8(1):136-47. Available from: http://ejournal.iaida.ac.id/index.php/jmpid/article/view/4568