MUTTAQI, Uzlifa Khanifatul. Desaign of Converter Hijri Calendar to Ad Calendar for Determaning Islamic Great Days Using Matlab. Journal of Natural Sciences and Mathematics Research, [S. l.], v. 2, n. 1, p. 109–116, 2017. Disponível em: https://journal.walisongo.ac.id/index.php/JNSMR/article/view/1643. Acesso em: 7 jun. 2025.