Paculaba AM, S. Bathan MA, Niego EL. Log Monitoring System using Quick Response (QR) Code: A State University’s COVID – 19 Contact Tracing System. INJIISCOM [Internet]. 18Oct.2022 [cited 4May2024];3(2):209-18. Available from: https://ojs.unikom.ac.id/index.php/injiiscom/article/view/9037