Hayati Ikhwani, et al., translators. “Development Of A QR Code-Based Online Attendance Mobile Application At SMK Negeri 1 Talamau”. Journal Of Computer Science And Technology (JOCSTEC), vol. 4, no. 3, Sept. 2026, pp. 220-5, https://doi.org/10.59435/jocstec.v4i3.805.