IMEC-APCOMS 2019: Proceedings of the 4th International Manufacturing Engineering Conference and The 5th Asia Pacific Conference on Manufacturing Systems - Osman Zahid; Abd. Aziz, Radhiyah; Abdul Aziz, Fazilah; Mat Yahya, Nafrizuan; Yazid Abu, Mohd; Yusoff, Ahmad Razlan (Springer Singapore, 2020)