“Development of a Wheelchair Lifting System With Height Levelling and Side Transfer: Kian Sek Tee, Muhamad Amirul Yusman Bin Yazid, Eugene Low, Elmy Johana Mohamad, Chin Fhong Soon, Toong Hai Sam, Jaysuman Bin Pusppanathan”. Journal of Tomography System and Sensor Application, vol. 4, no. 1, June 2021, pp. 50-56, http://tssa.my/index.php/jtssa/article/view/149.