ศรีจักรวาฬ ส. “Growth and Yields of Derris Elliptica Benth. Planting at the Three Places”. Thai Agricultural Research Journal, vol. 22, no. 2, Aug. 2019, pp. 119-27, https://li01.tci-thaijo.org/index.php/thaiagriculturalresearch/article/view/212365.