ADAM, M. I.; MOHAMMAD, P. T. D. M.; YAHYA, M. S. . Innovative Design of Practical Tools for Umrah Training by Using QFD and TRIZ. Research Progress in Mechanical and Manufacturing Engineering, [S. l.], v. 2, n. 2, p. 64–71, 2022. Disponível em: https://publisher.uthm.edu.my/periodicals/index.php/rpmme/article/view/3655. Acesso em: 30 jun. 2022.