TY  - BOOK
AU  - Lappan Glenda
TI  - Say it with symbols: Algebraic reasoning
SN  - 1572321873
AV  - QA159 .L37 19
PY  - 1998///
CY  - Califonia
PB  - Dale Seymour
KW  - Mathematic- study and teaching
KW  - Algebra-study and teaching
ER  -