Agricultural Expansion on the Southeast Asian Frontier. NUS Press. ISBN 978-9971-69-544-6. Traude Gavin (2004). Iban Ritual Textiles. NUS Press. p. 4. ISBN 99-716-9294-5...
Agricultural Expansion on the Southeast Asian Frontier. NUS Press. ISBN 978-9971-69-544-6. Bakar, Lamah (2011). "The story behind the state's streets and roads"...