000 00442nam a2200109Ia 4500
008 191231s9999 xx 000 0 und d
100 _aSukumaran Nair A,Guide
100 _aT K Lalitha Bai
245 2 _aA Comparative Study Of The Cognitive Factor Structures Of High, Average And Low Achievers In Secondary Schools Mathematics.
_cT K Lalitha Bai
260 _aThiruvananthapuram :
_bDept of Education,University of Kerala ,
_c1992
942 _cTH
999 _c324344
_d324344