000			00618nam a2200181Ia 4500
008			131223s9999 xx 000 0 und d
040			_aISI KOLKATA
041			_aEnglish
082			_a371.26 _bRb-70-64
100			_aCahen L S
245			_aComparison of school mean achievement scores with two estimates of the same scores obtained by the item sampling technique
260			_aNew Jersey _bETS _c1970
440			_aEducational Testing Service. Princeton : Research bulletin; 64
650			_aEducational tests and measurements
700			_aRomberg T A _4Auth.
700			_aZwirner Walter _4Auth.
942			_cBK
999			_c92944 _d92944