Ahmad Qadafi, author
2017
UI - Tesis (Membership)
Gilbert, Alan, author
Tiara Wacana Yogya , 1996
Buku Teks
Ella Marlena, author
2017
UI - Skripsi (Membership)
Tanghe, Jan, author
Pegamon Press, 1984
Buku Referensi
Alfian Adi Eka Wibawa, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2019
UI - Tesis (Membership)