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 1987."
"Grant no. OERI-G-86-0006."
Physical description for original version: 90 p. : 28 cm
書誌注記Includes bibliographical references (p. 73-85)
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, The Johns Hopkins University, [1987]
SUPTDOC番号: ED 1.310/2: 294890
GPO管理番号: 466-A-3 (MF)