Manchester Open Learning; alih bahasa, Marcus Prihminto Widodo
Gramedia Pustaka Utama, 1997
Buku Teks
Manchester Open Learning; alih bahasa, Marcus Prihminto Widodo
Gramedia Pustaka Utama, 1995
Buku Teks
Dunckel, Jacqueline, author
Self-Counsel, 1984
Koleksi Publik
Wircenski, Jerry L., author
[American Society for Training and Development Press, American Society for Training and Development Press], 2005
eBooks
Gramedia Pustaka Utama, 1995
Buku Teks