Putri DA, Kusmintarti A, Jaswadi J. Design of Ordering System Using Web-Based Quick Response Code (Qr Code) Technology at Paolo Fest Cafe. EAJMR [Internet]. 2024 Sep. 29 [cited 2026 Jun. 17];3(9):4155-64. Available from: https://journal.formosapublisher.org/index.php/eajmr/article/view/10869