I. Latif and Ismail, “Mathematical Analysis of the Eight-Year Cycle in the Eight-Year Calculation Method: A Study of the Calendar System in the Book ‘Ajā’ib al-Makhlūqāt wa Gharā’ib al-Mawjūdāt’”, KUJOFA, vol. 3, no. 1, pp. 1–16, Jul. 2025.