Elementary algebra: concepts and applications/
Penna, Judith A.
Elementary algebra: concepts and applications/ Judith A. Penna.-- -- Third edition. -- America: Addison-Wesley Publishing Company, Inc., 1990.
ill.; 28.
0201173948
Algebra
HS Cir 512.9 P381 1990
Elementary algebra: concepts and applications/ Judith A. Penna.-- -- Third edition. -- America: Addison-Wesley Publishing Company, Inc., 1990.
ill.; 28.
0201173948
Algebra
HS Cir 512.9 P381 1990