Chaipong, S., and C. Wachrinrat. “Landscape Agroforestry Modeling for a Sufficiency Economy in Huai Raeng-Klong Peed Watershed, Trat Province, Thailand”. Applied Environmental Research, vol. 37, no. 3, Oct. 2015, pp. 49-68, doi:10.35762/AER.2015.37.3.4.