Pike, Robert, author
Josey Bass, 2000
Buku Teks
Thiagarajan, Sivasailam Thiagi, author
[American Society for Training & Development Press, American Society for Training & Development Press], 2001
eBooks
Bradford, Leland P.
University Associates, 1976
Buku Teks
Sugar, Steve, author
[American Society for Training and Development Press, American Society for Training and Development Press], 2000
eBooks
Millbower, Lenn, author
[American Management Association, ], 2003
eBooks