000 00277nam a2200121Ia 4500
100 _aS K Jindal
020 _a81-7099-095-5
942 _cBK
245 _aIntellectual development
260 _aMittal, New Delhi
_c1988
082 _a136.72 Jin
300 _aviii,203p tabs, figs.
999 _c60262
_d60262