TY  - BOOK
AU  - Ra'ana, Irfan Mahmud
TI  - Economic system under Umar the great: a treatise on muslim economy in early seventh century
U1  - 330.91767 
PY  - 1977///
CY  - Pakistan
PB  - Sh. Muhammad Ashraf
KW  - Economics - Religious aspects - Islam
KW  - The second caliph of Islam (Umar) - ;Biography
N1  - Bibliography p. 155-57
ER  -