Marataon Ritonga. “KALENDER LOKAL VS GLOBAL: MENUJU HARMONISASI KALENDER ISLAM INTERNASIONAL”. MA’RIFAH: Journal of Islamic Education, Learning and Human Development 5, no. 02 (July 6, 2026). Accessed September 11, 2026. https://marifah.alwaqfu.or.id/index.php/marifah/article/view/504.