TY  - BOOK
AU  -  Novak,David
TI  -  Developmental mathematics / 
SN  -  0669170925
U1  -  510 
PY  - 1989///
CY  -  Massachusetts : 
PB  -  D.C. Heath and Co., 
KW  -  Mathematics
KW  -  Problems, exercises, etc
N1  -  Includes index;  Includes bibliographical references
ER  -