000 00303nam a2200121 4500
082 _a370
_bSUD.S
084 _2Colon Classification
100 _aSudevan, V
245 _aStudy of the difficulties. . . /
_cby Sudevan V
260 _bMEd thesis Dept of Edu,
_c1993.
650 _aEducation
942 _cBK
999 _c682603
_d682603