Report in brief [microform] : NAEP 1994 trends in academic progress / Jay R. Campbell ... [et al.] ; prepared by Educational Testing Service under contract with the National Center for Education Statistics, Office of Educational Research and Improvement, U.S. Department of Education
原資料の出版事項: Washington, DC : The Center : U.S. Dept. of Education, Office of Educational Research and Improvement, Educational Resources Information Center, [1996]