一般注記"Supported in part by the Office of Educational Research and Improvement (contract # OERI 400-83-0041) ."
Distributed to depository libraries in microfiche
"September 1987."
Physical description for original version: 1 v. (various pagings) : 28 cm
書誌注記Includes bibliographical references (p. 25-27)
原資料等に関する注記原資料の出版事項: Cambridge, MA : Educational Technology Center, Harvard Graduate School of Education, [1987]
SUPTDOC番号: ED 1.310/2: 296703
GPO管理番号: 466-A-3 (MF)