M. Mueller, R. Puttipan, K. Janngeon, F. M. Unger, H. Viernstein, and S. Okonogi, “BIOACTIVITIES OF THE THAI MEDICINAL AND EDIBLE PLANTS C. CAJAN, M. CITRIFOLIA AND O. AMERICANUM”, Int J Pharm Pharm Sci, vol. 7, no. 11, pp. 237–240, Oct. 2015.