Tanachot Chaito และ Manad Khamkong. (2018) A modified Box and Cox power transformation to determinethe standardized precipitation index. <i>Songklanakarin Journal of Science and Technology</i>, <i>40</i>(4), 867.Tanachot Chaito และ Manad Khamkong. "A modified Box and Cox power transformation to determinethe standardized precipitation index". Songklanakarin Journal of Science and Technology 40 (2018):867.Tanachot Chaito และ Manad Khamkong. A modified Box and Cox power transformation to determinethe standardized precipitation index. Research and Development Office, Prince of Songkla University:ม.ป.ท. 2018.