“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”. 2021. Journal of Tomography System and Sensor Application 4 (1):50-56. http://tssa.my/index.php/jtssa/article/view/149.