Roslan, Y. S., M. F. . Hassan, I. Hamdan, and M. H. . Tuparman. “Improvement of Transfer Wheel Marker Design Using the Quality Function Deployment (QFD) Method for School Field Line Marking”. Journal of Advanced Mechanical Engineering Applications, vol. 4, no. 1, June 2023, pp. 31-36, https://publisher.uthm.edu.my/ojs/index.php/jamea/article/view/13059.