Wilson, Donald W.
The long journey from turmoil to self-sufficiency
Yayasan Persada Nusantara, 1989
 Buku Teks
Harimau cave and the long journey of oku civilization
edited by Truman Simanjuntak; English translation by: Nin Bakdisoemanto, Ig Krishna Dharma
Gadjah Mada University Press, 2016
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Attitudes towards the European union in Turkey: the role of perceived threats and benefits
 Artikel Jurnal
The journey
Brunei Press Sdn Bhd, 1999
 Buku Referensi
Unal, Emre
Turkey's current account deficit problem and integration into the economic and monetary union of the european union / Emre Unal
Graduate School of Economics Kyoto University, 2017
 Artikel Jurnal