一般注記Shipping list no.: 90-498-P
"July 1990"--T.p. verso
"IS 90-986"--P. [4] of cover
Physical description for original version: ix, 29 p. ; 23 cm
書誌注記Includes bibliographical references (p. 25-29)
原資料等に関する注記原資料の出版事項: Washington, D.C. : Information Services, Office of Educational Research and Improvement, U.S. Dept. of Education : For sale by the Supt. of Docs., U.S. G.P.O., [1990]
SUPTDOC番号: ED 1.2: P 75/2
テクニカルリポート番号: IS 90-986
GPO管理番号: 455-B-2