000 00306nam a2200133Ia 4500
005 20260205052532.0
008 260111s9999||||xx |||||||||||||| ||und||
082 _a370.9545 C393E
100 _aChaudhri, L. S.
245 0 _aEducation Code
260 _bShivalik
_c1998
300 _a433p.
942 _cBK
999 _c116714
_d116714