Luckanawat, T., P. Kooncumchoo, and B. Rungroungdouyboon. “Design and Development of the Lower Limb Rehabilitation Robot for Restoration of Normal Gait in Stroke Patients”. Journal of Research and Applications in Mechanical Engineering, vol. 4, no. 1, Aug. 2018, pp. 68-78, https://ph01.tci-thaijo.org/index.php/jrame/article/view/138816.