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. TSSA 2021, 4, 50-56.