Trends in academic progress : achievement of american students in science, 1970-90, mathematics, 1973-90, reading, 1971-90, and writing, 1984-90 : data summary

compiled by Eugene H. Owen
Bok · Engelsk · 1995

Utgitt	Springfield, VA : ERIC Document Reproduction Service (EDRS) , 1995
Omfang	35 s. : tab.
Emner	undervisning testing prestasjonsmålinger