000 00351nam a2200121 4500
082 _a370
_bJIB.P
084 _2Colon Classification
100 _aJibi George
245 _aPreparation and testing of models for teaching geometry. . . /
_cby Jibi George
260 _bPhd thesis Dept of Edu Unty of Kerala,
_c2002.
650 _aEducation
942 _cBK
999 _c682786
_d682786