หะยียูโซะ อ., and สมิทธากร ว. “Nonlinear Behavior of Space Trusses Considering Initial Imperfection”. Princess of Naradhiwas University Journal, vol. 10, no. 2, May 2018, pp. 103-14, https://li01.tci-thaijo.org/index.php/pnujr/article/view/111691.