Falletta, Salvatore V.
[American Society for Training & Development;, ], 2001
eBooks
Smith, Robert M.
McGraw-Hill, 1975
Buku Teks
Wardlaw, Gordon M., 1912-1989
McGraw-Hill, 2012
Buku Teks SO
Roberts, M.B.V.
Thomas Nelson & Sons, 1971
Buku Teks SO
McGilvery, R.W.
WB. Saunders, 1972
Buku Teks SO