TY  - BOOK
AU  - Lial, Margaret L.
TI  - Developmental mathematics : basic mathematics and algebra
SN  - 0321506421, 0321506642
AV  - QA 107.2 .D48/ 
CY  - Boston
KW  - Arithmetic --Textbooks. Algebra --Textbooks. Problem solving --Textbooks
ER  -