ADAM, M. I., Mohammad, P. T. D. M. and Yahya, M. S. . (2022) “Innovative Design of Practical Tools for Umrah Training by Using QFD and TRIZ”., Research Progress in Mechanical and Manufacturing Engineering, 2(2), pp. 64–71. Available at: https://publisher.uthm.edu.my/periodicals/index.php/rpmme/article/view/3655 (Accessed: 25 June 2022).