Rani Azizi Alatas, Alesa Putri and Tono Subroto 2025. Application Of Quality Function Deployment (QFD) Method In Developing Eco-Friendly Cup Holder Design. Jurnal Riset Ilmu Teknik. 3, 1 (May 2025), 44–55. DOI:https://doi.org/10.59976/jurit.v3i1.168.