editor, Muhammadi
Regional Institute of Higher Education and Development, 1977
Buku Teks
Center for Southeast Asian Studies Kyoto University , 1997
Buku Teks
Institute of Southeast Asian studies, 1991
Buku Teks
Pelzer, Karl J.
American Geographical society, 1945
Buku Teks
Hehn, Victor
Amsterdam John Benjamins B.V. 1976
Buku Teks