Abdul Mufid, Agus Purwanto, Ahmad Asrof Fitri, Rohmad Adi Yulianto, Masduki Asbari, Fatrilia Rasyi Radita, Yoyok Cahyono, “ Indonesian Hijriah Calendar Unification Urgency in the Perspective of Maqasid Sunnah Nabawiyah and Maqasid Shariah : A Qualitative Literature Review”, IJAST, vol. 29, no. 04, pp. 3095 -, Jun. 2020.