ID:DA01258898
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Robert Trojanowicz ... [et al.]
Anderson Publ. c1998 2nd ed
: pbk
Available at 1 libraries
Robert Trojanowicz, Bonnie Bucqueroux
Anderson Pub. Co. c1994
Available at 4 libraries
Robert C. Trojanowicz, Merry Morash
Prentice Hall 1992 5th ed
Available at 8 libraries
Anderson Pub. Co. c1990
Available at 3 libraries
Prentice-Hall c1987 4th ed
Prentice-Hall c1983 3rd ed.
Robert C. Trojanowicz, with the assistance of John M. Trojanowicz
Prentice-Hall c1978 2nd ed
Available at 5 libraries
Robert C. Trojanowicz, John M. Trojanowicz, Forrest M. Moss
Goodyear Pub. Co. 1975
pbk.
[by] Robert C. Trojanowicz [and] Samuel Dixon
Prentice-Hall [1974]
Available at 21 libraries
[by] Robert C. Trojanowicz
Prentice-Hall c1973
Available at 23 libraries