BIN YAHAYA, MUHAMMAD ZAKWAN; MOHAMMAD, MUSLI. Innovative Redesign of an Umbrella Using Quality Function Deployment (QFD) and Theory of Inventive Problem Solving (TRIZ). Research Progress in Mechanical and Manufacturing Engineering, [S. l.], v. 6, n. 2, p. 40–49, 2025. Disponível em: https://publisher.uthm.edu.my/periodicals/index.php/rpmme/article/view/21475. Acesso em: 11 mar. 2026.