TY  - BOOK
AU  - Drooyan,Lrving, Hadel, Walter
AU  - x
TI  - Elementary algebra; structure and skills: x
SN  - x
U1  - 512/DRE 
PY  - 1969///
CY  - N.Y.
PB  - Wiley
KW  - Algebra
N1  - x
ER  -