Teanglum, S. “Effects of Monopotassiumphosphate and Ethephon on Flowering of Litchi (Litchi Sinensis Sonn.) Cv. Nakorn Phanom 1”. SNRU Journal of Science and Technology, vol. 9, no. 2, July 2017, pp. 529-35, https://ph01.tci-thaijo.org/index.php/snru_journal/article/view/93316.