Sarntinoranont, Vimolchat, and Surawit Wannakrairoj. 2011. “Factors Affect Flower Bud Yellowing in Dendrobium Sonia ‘Ear-Sakul’”. Thai Agricultural Research Journal 29 (1):73-84. https://doi.org/10.14456/thaidoa-agres.2011.12.