Arunee Wongpiyasatid, Praparat Hormchan, Katarut Chusreeaeom, & Ngamchuen Ratanadilok. (2005). Stomatal Size, Stomatal Frequency and Pollen Grain Diameter as Indirect Method for Identification of Ploidy Levels in Cotton. Agriculture and Natural Resources, 39(4), 552–559. Retrieved from https://li01.tci-thaijo.org/index.php/anres/article/view/243398