Kroutnoi, L., T. Sriburi, S. Wijitkosum, and K. Nuanyai. “Assessment of Elephant Dietary Biomass at the Adjoining Area of Kaeng Krachan Natural Park, Thailand”. Applied Environmental Research, vol. 39, no. 3, Oct. 2017, pp. 33-40, doi:10.35762/AER.2017.39.3.4.