Lehmann, J. (2008). Student solutions manual : Elementary algebra: Graphs and authentic applications (3rd edition.). Pearson Education.
Chicago-viite (17. p.)Lehmann, Jay. Student Solutions Manual : Elementary Algebra: Graphs and Authentic Applications. 3rd edition. Upper Saddle River, N.J: Pearson Education, 2008.
MLA-viite (9. p.)Lehmann, Jay. Student Solutions Manual : Elementary Algebra: Graphs and Authentic Applications. 3rd edition. Pearson Education, 2008.
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