TAYONE, W.C., TAYONE, J.C. and HASHIMOTO, M. 2013. Isolation and Structure Elucidation of Potential Anti-Dengue Metabolites from Tawa-tawa (Euphorbia hirta Linn.). Walailak Journal of Science and Technology (WJST). 11, 10 (Dec. 2013), 825–832.