Boyd, Susan
[American Society for Training & Development Press, American Society for Training & Development Press], 2001
eBooks
Elsevier, 1978
Buku Teks
Sullivan, Kenneth M.
Van Nostrand Reinhold, 1983
Buku Teks
Fried, Louis
Reston Publishing, 1979
Buku Teks
Shelly, Gary B.
Anaheim Publishing, 1984
Buku Teks