000 00300nam a2200121 4500
082 _a370
_bKOC.M
084 _2Colon Classification
100 _aKochhar, S K
245 _aMethods and techniques of teaching /
_cby Kochhar S K
260 _bSterling pub,
_c1967.
650 _aTeaching
942 _cBK
999 _c679132
_d679132