Mahyuni
Universitas Mataram. FKIP, 2007
Artikel Jurnal
Lembaga Penelitian Universitas Indonesia, 2007
Artikel Jurnal
Carr, Patricia A.
American Society for Training & Development, 2006
eBooks
editor, Wiendu Nuryanti
Gadjah Mada University Press , 1996
Buku Referensi
Joko Suwaryo
Graduate Program in Management and Business Bogor Agricultural University, 2015
Artikel Jurnal