TY  - BOOK
AU  - Clarke, Marie J
TI  - Student tutorial to accompany tobey, Nanney, and cable algebra and trigonometyr 
SN  - 0205082106
AV  - QA 152 T652 1986 guide
PY  - 1986///
CY  - Boston 
PB  - : Allyn and Bacon
KW  - Algebra
KW  - - Estudio y enseñanza
ER  -