Abd Rahman, Ramhuzaini, and Muhammad Hariz Mohd Rizal. “Improvement of DLA Sealing Machine Monitoring Process: Mechanical Design and Prototyping of Automatic Alert System”. Research Progress in Mechanical and Manufacturing Engineering, vol. 4, no. 1, Aug. 2023, pp. 347-58, https://publisher.uthm.edu.my/periodicals/index.php/rpmme/article/view/9260.