[1] Iban people - Wikipedia (2017-11-28 11:54:04 +09:00) https://en.wikipedia.org/wiki/Iban_people

[2] ダヤク族 - Wikipedia (2017-11-19 13:12:48 +09:00) 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) (2016-10-28 13:35:16 +09:00) http://www.tourismmalaysia.or.jp/region/sarawak/headhunter.html