Brissenden, R.F. (Robert Francis), 1928-1991
Australian National University Press, 1980
Buku Teks
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The World Tourism Organization
The World Tourism Organization (WTO), 2004
Buku Referensi
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Sekolah Ilmu Lingkungan. Universitas Indonesia, 2022
UI - Tesis (Membership)
Kusnul Nur Kasanah
Universitas Indonesia, 2018
UI - Tesis (Membership)