Online Public Access Catalogue (OPAC)Library,Documentation and Information Science Division
“A research journal serves that narrow
borderland which separates the known from the unknown”
-P.C.Mahalanobis
Bernstein, Allen L.,, 1919- Trouble shooting mathematics skills [by] Allen L. Bernstein [and] David W. Wells. - Teacher's ed.. - New York, Holt, Rinehart and Winston [c1963] T-59, viii, 358 p. illus. 24 cm. * Arithmetic - Study and teaching (Elementary) * Wells, David W., * Title