S. Aimah, N. Wafiroh, N. Wiarsih, and F. M. Fakruddin, “EVP Strategy for Islamic Boarding Schools: Balancing Formal Recognition and Charismatic Legitimacy for Retention”, MJPAI, vol. 5, no. 4, pp. 1161–1181, Mar. 2026, doi: 10.69552/mumtaz.v5i4.3537.