Haidon, M. A. H. B., D. Guntabid, L. Gemuru, N. Solimin, F. F. Liew, and S. Idek. “REDESIGNING TROLLEY JACK TO BE MORE EFFICIENT, CONVENIENT AND SAFE”. MATTER: International Journal of Science and Technology, vol. 6, no. 2, Sept. 2020, pp. 90-101, doi:10.20319/mijst.2020.62.90101.