000 00280nam a22001217a 4500
003 OSt
100 _aMangal, S K
245 _aAdhigamkarta ka Vikas Avim Shikshan Adhigam Prakriya
260 _aAgra
_bAggarwal Pub.
_c2015
300 _a374p.
901 _a1623BED
942 _2ddc
_cBK
999 _c37050
_d37050