000 00305nam a2200109Ia 4500
008 170504s9999 xx 000 0 und d
100 _aIGNOU
245 _aMS-57 MAINTERNCE MANGEMENT : TRENDS IN MAINTENACE MANAGEMENT
250 _a-
260 _bINDIRA GANDHI NATIONAL OPEN UNIVERSITY
_aNEW DELHI
_c2005
300 _a74
440 _n5
999 _c29305
_d29305