Saenguraipen, L., Pukngam, S. and Tongdeenok, P. 2018. Factors Affecting People Participation in Water Onion (Crinum thaianum J. Schulze) Conservation at Nakha Sub-district, Suk Samran District, Ranong Province. Thai Journal of Forestry. 37, 1 (Jun. 2018), 132–142.