R. . Chantraket, . P. . Uttaruk, . U. Klinhom, . D. L. . Skole, J. H. . Samek, and O. Castaneda, “Internet-Based Development of Medicinal Plants Geospatial System in Phu Phan Forest Complex: Northeastern Thailand ”, Agr. Nat. Resour., vol. 48, no. 2, pp. 227–240, Apr. 2014.