IKHSAN MUBAROK. KINSHIP SYSTEM AS WORD-OF-MOUTH MARKETING: A CASE STUDY OF ALUMNI NETWORKS AND STUDENT GUARDIANS IN ENHANCING THE REPUTATION OF ISLAMIC BOARDING SCHOOLS. Proceedings of International Conference on Educational Management, [S. l.], v. 3, n. 2, p. 104–117, 2025. Disponível em: https://ejournal.uimsya.ac.id/index.php/picem/article/view/4699. Acesso em: 27 jun. 2026.