著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL
"West, Parl","A study of ability grouping in the elementary school in terms of variability of achievement : the teaching problem, and pupil adjustment",,AMS Press,1972,Contributions to education,,0404555888,,https://cir.nii.ac.jp/crid/1130282271984875648