一般注記Paper presented at the annual convention of the American Educational Research Association, Washington, D.C., Apr. 20-24, 1987
"Funding from the Office of Educational Research and Improvement (grant no. OERI-G-81-0006) ."
Distributed to depository libraries in microfiche
"Pub date Apr 87"--Doc. resume
Physical description for original version: 39, [6] leaves ; 28 cm
書誌注記Includes bibliographical references (leaves 36-[40]
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, [1987]
SUPTDOC番号: ED 1.310/2: 288922
GPO管理番号: 466-A-3 (MF)