The new college course map and transcript files [microform] : changes in course-taking and achievement, 1972-1993 : based on the postsecondary records from two national longitudinal studies / Clifford Adelman
原資料の出版事項: Washington, DC : National Institute on Postsecondary Education, Libraries, and Lifelong Learning, Office of Educational Research and Improvement, U.S. Dept. of Education : Educational Resources Information Center, [1999]