31
St?hl, Ingolf,
| Prentice Hall |
1990
32
34
Sloan, Michael L.,
| Scott, Foresman |
1989
35
Birnes, William J.
| McGraw-Hill |
1989
37
Duffy, Tim.
| Wadsworth Pub. Co. |
1989
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Zimmerman, Beverly B.,
| Scott, Foresman |
1989
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Salkind, Neil J.
| Scott, Foresman |
1989