Addition and subtraction : a cognitive perspective / edited by Thomas P. Carpenter, James M. Moser, Thomas A. Romberg.

Other author Carpenter, Thomas P.
Other author Moser, James M.
Other author Romberg, Thomas A.
Format Book
Publication InfoHillsdale, N.J. : L. Erlbaum Associates, 1982.
Descriptionx, 245 pages : illustrations ; 24 cm
Subjects

Bibliography noteIncludes bibliographies and index.
LCCN 81005392
ISBN0898591716