Chakorn Pasuwan. 2009. Appropriate technology for artificial nest construction based on hornbill perception in Budo-Sungai Padee National Park, Narathivat province, Thailand. Faculty of Environment and Resource Studies, Mahidol University;

Chakorn Pasuwan. Appropriate technology for artificial nest construction based on hornbill perception in Budo-Sungai Padee National Park, Narathivat province, Thailand. . Bangkok:Mahidol University, 2009.

Chakorn Pasuwan. (2009) Appropriate technology for artificial nest construction based on hornbill perception in Budo-Sungai Padee National Park, Narathivat province, Thailand . Mahidol University/Bangkok.