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Majalah, Jurnal, Buletin
National Geographic Indonesia
Gramedia Percetakan, {s.a.}
Majalah, Jurnal, Buletin
Macdonald, Phil
National Geographic Traveler Thailand
National Geographic, 2009
Buku Teks
National Geographic 100 Big Ideas
Nasional Geographic, 2009
Buku Teks
National Geographic on Indians of the Americas / edited by Matthew W.Stirling
National Geographic Society, 1955
Buku Teks