Introductory algebra :
Aufman, Richard N.
Introductory algebra : an applied approach / Richard N. Aufman, Vernon C. Barber. - 3rd ed. - Boston Houghton-Mifflin 1981. - 500p. 26cm.
0395431913
Algebra.
Introductory algebra : an applied approach / Richard N. Aufman, Vernon C. Barber. - 3rd ed. - Boston Houghton-Mifflin 1981. - 500p. 26cm.
0395431913
Algebra.