Maskufa Ilmu falaq / Dra. Maskufa, MA - Jakarta : Gaung Persada Press, 2009 - xvi, 232 p. : ill. ; 21 cm. Daftar pustaka: p. 201-205 ISBN: 9789791488518 RM40.00 Subjects--Topical Terms: Astronomy--Religious aspects--IslamCalendar, Islamic