一般注記"Sponsored by Office of Educational Research and Improvement, U.S. Department of Education"--Cover
Distributed to depository libraries in microfiche
"April 1987."
Physical description for original version: [1], i, 83 p. ; 28 cm
書誌注記Includes bibliographical references and index
"Developed under contract 400-86-0006"--P. [1]
原資料等に関する注記原資料の出版事項: Portland, Or. : Northwest Regional Educational Laboratory, [1987]
SUPTDOC番号: ED 1.310/2: 295301
GPO管理番号: 466-A-3 (MF)