Rattana, C., T. Taychasunpitak, C. Wongchsochant, and S. Kikuchi. “Segregation of Morphological Characteristics of Tetraploid Torenis Hybrid (Torenia Fournieri X Torenia Baillonii) in F2 Population”. Thai Agricultural Research Journal, vol. 31, no. 1, Mar. 2013, pp. 2-12, doi:10.14456/thaidoa-agres.2013.20.