Washington, DC : Office of Research, U.S. Dept. of Education, Office of Educational Research and Improvement : For sale by the U.S. G.P.O., Supt. of Docs., [1993]
Physical Details
v, 73 pages : illustrations ; 28 cm
ISBNs
9780160418853, 0160418852
OCLC
ocm29000615, ocm28856719
"August 1993"--P. [4] of cover.
"Prepared by the National Research Center on Student Learning with support from the Office of Research, Office of Educational Research and Improvement, U.S. Department of Education (grant no. G008690005)"--T.p. verso.
"Prepared by the National Research Center on Student Learning ... (grant no. G008690005)"--T.p. verso.