並列タイトル等Promoting sixth graders' understanding of density
一般注記"Supported in part by the Office of Educational Research and Improvement (contract #OERI 400-83-0041) ."
Distributed to depository libraries in microfiche
"July 1986."
Physical description for original version: 123 p. in various pagings : 28 cm
書誌注記Includes bibliographical references (p. [1]-2, 2nd group)
原資料等に関する注記原資料の出版事項: Cambridge, MA : Educational Technology Center, Harvard Graduate School of Education, [1986]
SUPTDOC番号: ED 1.310/2: 291599
GPO管理番号: 466-A-3 (MF)