Sissors, Jack Z.
NTC Businness Books, 1993
Buku Teks
Sissors, Jack Z
NTC Businness Books, 1993
Buku Teks
Duffy, Ben
Prentice-Hall, 1957
Buku Teks
Hotchkiss, George Burton, author
Alexander Hamilton Institute , 1961
Buku Teks
Wells, William D., author
Prentice-Hall, 2000
Buku Teks