Title: Ithbāt hilāl Ramaḍān : bayna al-ruʾyah al-baṣarīyah wa-al-ḥisābāt al-falakīyah /
Authors: Abū Rakhīyah, Mājid.
Publisher: Maktabat al-Aqṣá,
Year: 1990
Subjects: Ramadan; Islamic calendar.