000 00399nam a2200133 4500
082 _a370
_bMAN.E
084 _2Colon Classification
100 _aManju, Sankar K
245 _aEffectiveness of concept of maps for learning selected to in social science at secondary level /
_cby Manju Sankar K
260 _bUniversity of kerala,
_c2008.
300 _a137p. :
650 _aEducation
942 _cBK
999 _c683612
_d683612