1.
Interactive Elementary Algegra
by Alwin, Robert H., Hackworth...
ISBN: 9780943202624
List Price: $45.95
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Calendar and Time Diary Methods in Life Course Research
by Alwin, Duane Francis, Alwin...
ISBN: 9781412940634
List Price: $49.95
3.
Focus on Developmental Mathematics
by Hackworth, Robert H., Howla...
ISBN: 9780943202327
List Price: $39.95
5.
Interactive Intermediate Algebra
by Alwin, Robert H., Hackworth...
ISBN: 9780943202648
List Price: $51.95
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Sketches of South African bird-life
by Ivy, Robert Henry, Haagner,...
ISBN: 9781177749398
List Price: $29.75
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Sketches of South African Bird-Life
by Haagner, Alwin Karl, Robert...
ISBN: 9781174778476
List Price: $32.75
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Sketches of South African Bird-Life
by Haagner, Alwin Karl, Ivy, R...
ISBN: 9781176369917
List Price: $32.75
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Interactive Beginning Algebra
by Alwin, Robert H., Hackworth...
ISBN: 9780943202631
List Price: $45.95
12.
13.
Focus on Elementary Algebra
by Hackworth, Robert, Alwin, R...
ISBN: 9780943202341
List Price: $19.95
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Focus on Intermediate Algebra - Robert Hackworth - Hardcover
by Hackworth, Robert, Alwin, R...
ISBN: 9780943202440
List Price: $39.95
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19.
Algebra Programmed, Vol. 3 - Robert H. Alwin - Paperback
by Alwin, Robert H., Hackworth...
ISBN: 9780130219312
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Algebra Programmed, Vol. 2 - Robert H. Alwin - Paperback
by Alwin, Robert H., Hackworth...
ISBN: 9780130220202
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Beginning Algebra : Individualized Approach - Robert H. Alwin - Paperback
by Unknown
ISBN: 9780943202853
List Price: $47.95