000 00510nam a2200157Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a371.26
_bRb-68-43
245 _aPromoting vs. confirmation, pictures vs. translations and other variables in children's learning of grammar in a second language
260 _c1968
440 _aEducational Testing Service. Princeton: research bulletin; n
500 _ao 43
650 _aEducational tests
942 _cBK
999 _c92458
_d92458