Klairong Poonpon และ Pairote Pathranarakul. (2017) Policy and management strategies of Thung Yai Naresuan and Huai Kha Khaeng wildlife sanctuaries as a world natural heritage site. National Institute of Development Administration:ม.ป.ท.Klairong Poonpon และ Pairote Pathranarakul. 2017. Policy and management strategies of Thung Yai Naresuan and Huai Kha Khaeng wildlife sanctuaries as a world natural heritage site. ม.ป.ท.:National Institute of Development Administration;Klairong Poonpon และ Pairote Pathranarakul. Policy and management strategies of Thung Yai Naresuan and Huai Kha Khaeng wildlife sanctuaries as a world natural heritage site. ม.ป.ท.:National Institute of Development Administration, 2017. Print.