一般注記"Prepared in part for the Center for Education Statistics under contract OE 300-83-0256."
Distributed to depository libraries in microfiche
"May 1987."
"CS 87-397c."
Physical description for original version: vii, 63 p. ; 28 cm
書誌注記Includes bibliographical references (p. 60-63)
原資料等に関する注記原資料の出版事項: [Washington, DC] : Center for Education Statistics, Office of Educational Research and Improvement, U.S. Dept. of Education, [1987]
SUPTDOC番号: ED 1.310/2: 284134
テクニカルリポート番号: CS 87-397 c
GPO管理番号: 466-A-3 (MF)