一般注記"Funds from the Office of Educational Research and Improvement, U.S. Department of Education."
Distributed to depository libraries in microfiche
"May 1988"
"Grant no. OERI-G-86-90006."
Physical description for original version: 65 p.
書誌注記Includes bibliographical references (p. 58-65)
原資料等に関する注記原資料の出版事項: Baltimore, MD : Center for Research on Elementary and Middle Schools, Johns Hopkins University, c1987
SUPTDOC番号: ED 1.310/2: 301319
GPO管理番号: 466-A-3 (MF)