Arunee Wongpiyasatid, Praparat Hormchan, and Ngamchuen Rattanadilok. “Preliminary Test of Polyploidy Induction in Cotton (Gossypium arboreum) Using Colchicine Treatment”. Agriculture and Natural Resources, vol. 37, no. 1, Mar. 2003, pp. 27-32, https://li01.tci-thaijo.org/index.php/anres/article/view/242782.