Introductory algebra :
Aufmann, Richard N.
Introductory algebra : an applied approach. - Sixth Richard N. Aufmann, Vernon C. Barker, Joanne S. Lockwood. - Boston : Houghton Mifflin Co., c2003. - 1 v. (various pagings) : ill. (some col.) ; 28 cm.
Introductory algebra : an applied approach. - Sixth Richard N. Aufmann, Vernon C. Barker, Joanne S. Lockwood. - Boston : Houghton Mifflin Co., c2003. - 1 v. (various pagings) : ill. (some col.) ; 28 cm.