Kengkarj, P., P. Smitamana, and Y. Fujime. 2009. “Assessment of Somaclonal Variation in Chrysan-Themum (Dendranthema Grandiflora Kitam.) Using RAPD and Morphological Analysis”. Plant Tissue Culture and Biotechnology 18 (2):139-49. https://doi.org/10.3329/ptcb.v18i2.3396.