Sifriyani และผู้แต่งคนอื่นๆ. (2018) Development of nonparametric geographically weighted regressionusing truncated spline approach. <i>Songklanakarin Journal of Science and Technology</i>, <i>40</i>(4), 909.Sifriyani และผู้แต่งคนอื่นๆ. "Development of nonparametric geographically weighted regressionusing truncated spline approach". Songklanakarin Journal of Science and Technology 40 (2018):909.Sifriyani และผู้แต่งคนอื่นๆ. Development of nonparametric geographically weighted regressionusing truncated spline approach. Research and Development Office, Prince of Songkla University:ม.ป.ท. 2018.