Chetchotisak, P., J. Teerawong, and S. Y. Yindeesuk. “Multiple Linear Regression Models for Shear Strength Prediction and Design of Simply-Supported Deep Beams Subjected to Symmetrical Point Loads”. Engineering and Applied Science Research, vol. 42, no. 3, Sept. 2015, pp. 219-25, https://ph01.tci-thaijo.org/index.php/easr/article/view/38294.