Fadilah, Muhammad Rizki, Choly Dwi Wulan Sari, Ani Umbara, Prapdopo Prapdopo, and Armini Ningsih. “Analysis of QR Ordering Impact on Efficiency at SatuKata Coffee”. Journal of Marketing Innovation and Business Research 1, no. 2 (August 31, 2026): 126–134. Accessed September 30, 2026. https://ojs.polnes.ac.id/index.php/jmibr/article/view/189.