Hafizhah, Wardah, Dwika Syahputri, Mohamad Zidane Akshal, and Edy Krisyanto. 2024. “Analisis Kualitas Produk Tupperware”. Prosiding Seminar Nasional Manajemen 4 (1):423-27. https://openjournal.unpam.ac.id/index.php/PSM/article/view/45133.