000 00265nam a2200109Ia 4500
008 210212s9999||||xx |||||||||||||| ||und||
100 _aMangal, S.K and Others
245 0 _aYog shiksha
260 _c1988
_bArya Book Depot
_aNew Delhi
300 _a143p.
942 _cSU
999 _c76235
_d76235