N. Pirarat, C. Rodkhum, A. Ponpornpisit, and W. Suthikrai, “In Vitro Efficacy of Red Kwao Krua (Butea superba Roxb.) Extract Against Streptococcal bacteria Isolated from Diseased Tilapia (Oreochromis niloticus)”, TJVM, vol. 42, no. 1, pp. 101–105, Jul. 2013.