Abdul Wahab, Norhaliza, and Jeevaniswaran Thangaraj. “Automation of Pick and Place Operation in Contact Lens Manufacturing”. ELEKTRIKA- Journal of Electrical Engineering 17, no. 2 (August 29, 2018): 25–29. Accessed March 29, 2024. https://elektrika.utm.my/index.php/ELEKTRIKA_Journal/article/view/95.