[1] Iban people - Wikipedia (11/28/2017, 2:54:04 AM) <https://en.wikipedia.org/wiki/Iban_people>
[2] ダヤク族 - Wikipedia (11/19/2017, 4:12:48 AM) <https://ja.wikipedia.org/wiki/%E3%83%80%E3%83%A4%E3%82%AF%E6%97%8F>
[3] エリア別ガイド サラワク(ボルネオ島) (10/28/2016, 4:35:16 AM) <http://www.tourismmalaysia.or.jp/region/sarawak/headhunter.html>
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