Minstry Foreign Affairs, [date of publication not identified]
Buku Teks
Southeast Asia Development Advisory Group of the Asia Society, 1970
Buku Teks
Caroline Hughes, Kheang Un, editor
Nias Press, 2011
Buku Teks
Titi Muswati Putranti, author
2014
UI - Disertasi (Membership)
Roy Mario Angelino, author
Fakultas Psikologi Universitas Indonesia, 2021
UI - Skripsi (Membership)