Haneberg, Lisa, author
American Society for Training & Development, 2010
eBooks
Buckley, Shawn, author
McGraw-Hill, 1979
Buku Teks
Yeom Ji Won, author
2015
UI - Tugas Akhir
Wahyu Adi Satriawan, author
Fakultas Teknik Universitas Indonesia, 2005
UI - Skripsi (Membership)
Park Hyeon Mo
Seoul : Pureunyeoksa, 2007
Buku Teks