Handayani, Susana, and Enty Nurhayati. “PERANCANGAN DAN PENGEMBANGAN PRODUK SMARTHPHONE MENGGUNAKAN METODE QUALITY FUNCTION DEPLOYMENT (QFD)”. Proceeding SENDI_U (July 28, 2021): 635-642. Accessed April 14, 2025. https://www.unisbank.ac.id/ojs/index.php/sendi_u/article/view/8663.