Krisbudiana, Muhammad Iqbal Fachry, and Edi Susilo. “Employee Attendance Application Using QR Code Android-Based at Eria Hospital Pekanbaru”. International Journal of Electrical, Energy and Power System Engineering 6, no. 1 (February 28, 2023): 113-119. Accessed April 19, 2024. https://ijeepse.id/journal/index.php/ijeepse/article/view/133.