000 00300nam a2200109Ia 4500
008 170504s9999 xx 000 0 und d
100 _aIGNOU
245 _aMS-9 MANAGERIAL ECONOMICS : DEMAND AND REVENUE ANALYSIS
250 _a-
260 _bINDIRA GANDHI NATIONAL OPEN UNIVERSITY
_aNEW DELHI
_c2005
300 _a55
440 _n2
999 _c29187
_d29187