21
Feher, Kamilo.
| Prentice-Hall |
1983
22
Stanley, William D.
| Prentice Hall |
1989
23
Weiss, Carol H.
| Prentice-Hall |
1972
24
Assad, A.
| Prentice Hall |
1992
25
Badiru, Adedeji Bodunde,
| Prentice Hall |
1992
27
28
Poirier, Frank E.
| Prentice Hall |
1990