000 00310nam a2200133Ia 4500
100 _aChadha .R.K
020 _a81- 88583 - 80 - 4
365 _bRs . 700 /-
942 _cBK
654 _a
245 _aTechnical And Technological Education
260 _aNew Delhi
_bReference Press
_c2005
082 _a371. 3
999 _c374186
_d374186
041 _aeng