Data sources on lifelong learning available from the National Center for Education Statistics [microform] / [prepared by Linda L. Shafer] (Working paper series ; no. 1999-11)
Data sources on lifelong learning available from the National Center for Education Statistics [microform] / [prepared by Linda L. Shafer]
原資料の出版事項: Washington, DC : U.S. Dept. of Education, Office of Educational Research and Improvement, National Center for Education Statistics : Educational Resources Information Center, [1999]