TY  - BOOK
AU  - Johnston,C.L.
AU  - Hughes,Gale M.
AU  - Willis,Alden T.
TI  - Developmental mathematics / 
SN  - 0534945007   
PY  - 1995///.
CY  - Boston
PB  - PWS Publishing, 
KW  - Algebra
N1  - Includes index; Includes questions and answers
ER  -