Maringan, E. Sahat, author
Universitas Indonesia,
UI - Skripsi (Membership)
Ahmad Farhan, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2017
UI - Skripsi (Membership)
Universitas Indonesia, 2005
UI - Skripsi (Membership)
Andromeda Azannatari H. Djuli, author
1987
UI - Skripsi (Membership)
Dida Regya, author
Universitas Indonesia, 2003
UI - Tesis (Membership)