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 "Lutes, Olin Silas and Samnelson, Anges",A method for rating the drill provisions in arithmetic textbooks : with ratings for six arithmetic series,,"The College of education, University of Iowa",1926,"University of Iowa, monographs in education",,,,https://cir.nii.ac.jp/crid/1130000793697432576