A comparison of the effectiveness of open entry/open exit classes to closed entry classes requiring attendance [microform] : 1997-1998 final report / Linda V. McCrossan, Patricia Cooper, Connie McDowell
原資料の出版事項: Allentown, PA ; [Washington, DC] : Adult Literacy Center of the Lehigh Valley : U.S. Dept. of Education, Office of Educational Research and Improvement, Educational Resources Information Center, [1998]