Falletta, Salvatore V.
[American Society for Training & Development;, ], 2001
eBooks
McGilvery, R.W.
WB. Saunders, 1972
Buku Teks
Wardlaw, Gordon M., 1912-1989
McGraw-Hill, 2012
Buku Teks
Muller, Walter H.
Macmillan, 1979
Buku Teks
Roberts, M.B.V.
Thomas Nelson & Sons, 1971
Buku Teks