一般注記"Jointly funded by the Office of Educational Research and Improvement, U.S. Department of Education (contract # 400-83-0041) , and the Office of Technology Assessment, Congress of the United States (contract # H3-4595.0) ."
Distributed to depository libraries in microfiche
"March 1988."
Physical description for original version: 54 p. ; 28 cm
書誌注記Includes bibliographical references (p. 48-54)
原資料等に関する注記原資料の出版事項: Cambridge, Mass. ; Newton, Mass. : Educational Technology Center, Harvard Graduate School of Education : Education Development Center, Inc., [1988]
SUPTDOC番号: ED 1.310/2: 296706
GPO管理番号: 466-A-3 (MF)