Algebra and trigonometry af Sobel, Max A., Lerner, Norbert

College algebra af Sobel, Max A., Lerner, Norbert

College Algebra af Sobel, Max A.

Teaching mathematics a sourcebook of aids, activities, and strategies af Sobel, Max A.

Algebra and trigonometry, a pre-calculus approach, 3rd ed. student's solution manual af Babcock, Margaret Hall

Algebra and trigonometry a pre-calculus approach af Sobel, Max A.

Harper & Row Geometry af Sobel, Max A., Maletsky, Evan M., Golden, Brother Neal, Lerner, Norbert, Cohen, Louis S.

Algebra and trigonometry a pre-calculus approach af Sobel, Max A.

Algebra and trigonometry a pre-calculus approach af Sobel, Max A.

Algebra and trigonometry a pre-calculus approach af Sobel, Max A.