Drooyan, Irving
Introductory algebra : a guided worktext
John Wiley & Sons, 1982
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McCully, Roland C.
Skills practice book to accompany introductory algebra 1
Harcourt Brace Jovanovich, 1979
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Barnett, Raymond A.
College algebra : a graphing approach
McGraw-Hill, 2000
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Zuckerman, Martin M.
Intermediate algebra : a straightforward approach
John Wiley & Sons, 1980
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Carman, Robert A.
Intermediate algebra: a guided approach
John Wiley & Sons, 1980
 Buku Teks SO