000 00277nam a2200121Ia 4500
082 _a352
_bSHA
100 _aSharma, Madan G.
245 _aSewa Niyam ( Sedhantik)
260 _aGwaliar
_bAjay Prakashan
_c1991
300 _a266p.
650 _aGeneral Books
650 _aApplied Sc.
999 _c1303
_d1303