Lembaga Penelitian Universitas Indonesia, 2004
Artikel Jurnal
edited by Larry W. Bowman and Ian Clark
Westview Press, 1981
Buku Teks
Colborn, J.G.
University of Hawaii Press, 1975
Buku Teks
Vali, Ferenc Albert
Free Press, 1976
Buku Teks
edited by Nathalie Fau, Sirivanh Khonthapane, Christian Taillard
Institute of South East Asia Studies, 2014
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