TY  - JOUR
AU  - Rahnama, Mohammad Hashem
TI  - The Effect of social and Economic system on dichotomy of caliphat
and monarchy Institution during Buyid dynasty
JO  - Journal of History
VL  - 4
IS  - 13
SP  - 89
EP  - 111
PY  - 2008
DO  - 
ER  -