S.H. Mohd, M.N. Masri, S.A. Sobri, M. Mohamed, M.F. Ismail, M.S. Shabri, W.A.L.H.W.A. Halim and U.A.A. Azlan. 2020. “Injection Molding and Extrusion Machines in Manufacturing: Prospects and Challenges”. International Journal of Advanced Science and Technology 29 (9s), 6108 -12. http://sersc.org/journals/index.php/IJAST/article/view/19285.