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 "Boeker, Mary Draper",The status of the beginning calculus students in pre-calculus college mathematics : a study carried out with students in Brooklyn College and City College of New York,,AMS Press,1972,Contributions to education,,0404559220,,https://cir.nii.ac.jp/crid/1130282268760109696