Inch, Edward S., author
Pearson Education, 2015
Buku Teks
Warren H. Green, 1984
Buku Teks
Caroselli, Marlene, author
Amacom, 2011
Buku Teks
Caroselli, Marlene, author
[American Management Association;, ], 2011
eBooks
Heinich
Macmillan, 1989
Buku Teks