edited by Jared Keengwe, Grace Onchwari, James Oigara
Information Science Reference, 2014
Buku Teks
Bender, David R.
Library Professional Publications , 1980
Buku Teks
Elengolds, Linda J., author
[American Society for Training & Development Press, American Society for Training & Development Press], 2001
eBooks
Artikel Jurnal
Artikel Jurnal