This, Leslie E.
Adison Wesley Publishing, 1974
Buku Teks
This, Leslie E.
Addison-Wesley Pub. Co. , 1974
Buku Teks
Wagner, Harvey M., author
Prentice-Hall, 1970
Buku Teks
Boyatzis, Richard E.
John Wiley & Sons, 1982
Buku Teks
The University of Chicago Press, 1964
Buku Teks