Media type: E-Article Title: Mathematics productivity in Japan and Illinois Contributor: Harnisch, Delwyn L.; Walberg, Herbert J.; Tsai, Shiow-Ling; Sato, Takahiro; Fyans, Leslie J. Published: Elsevier BV, 1985 Published in: Evaluation in Education, 9 (1985) 3, Seite 277-284 Language: English DOI: 10.1016/0191-765x(85)90005-9 ISSN: 0191-765X Keywords: Education Origination: Footnote: