000 00355nam a2200157Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c180
040 _aBED
082 _a333.7071 SHA B
100 _aSHARMA, B.D.
_94051
245 0 _aPARYAVARAN SHIKSHA
260 _bOMEGA PUBLICATION
_aNEW DELHI
300 _a288p.
500 _a1990
942 _cBK
999 _c1990
_d1990