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
"November 1987."
Physical description for original version: 147 p. in various pagings : 28 cm
書誌注記Includes bibliographical references (p. 42, 1st group)
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: 291598
GPO管理番号: 466-A-3 (MF)