Suaili, W., K. Laloon, S. Sudajan, and C. Junsiri. “Physical and Mechanical Properties of Paradise Tree Seeds (Simarouba Glauca DC.)”. Engineering and Applied Science Research, vol. 43, Nov. 2016, pp. 499-03, https://ph01.tci-thaijo.org/index.php/easr/article/view/71860.