000 00424nam a2200145Ia 4500
008 230917s9999||||xx |||||||||||||| ||und||
040 _e96400
_aMAIN
041 _aEnglish
082 _a370 Y1E
100 _aYadav, Sharmila
245 0 _aEffect of mastery learning strategy on pupils achievement in mathematics at primary level and their attitude towards mathematics
260 _c1999
300 _a101 p.
942 _cTH
999 _c88934
_d88934