Ashton, Robert
Gramedia Pustaka Utama, 2006
Buku Teks
Ashton, Robert
Gramedia Pustaka Utama, 2006
Buku Teks
Riaji Hendriyawan
2002
UI - Tesis (Membership)
Felicia Triwahyuni
2003
UI - Tesis (Membership)
Situmorang, Dea Marsally
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2016
UI - Tesis (Membership)