TY  - BOOK
AU  - Mohammad Ilyas
TI  - Sistem kalendar Islam: dari perspektif astronomi 
SN  - 9836255907
PY  - 1999///
CY  - Kuala Lumpur
PB  - DBP
KW  - Calendar, Islamic
KW  - Astronomy
KW  - Religious aspects
KW  - Islam
N1  - Includes bibliography
ER  -