Pamornpun , Chutima, Phechnoy Singchungchai, and Kannikar Chatdokmaiprai. 2022. “A Cost Analysis of Nursing Activities for COVID-19 Patient Screening at the Acute Respiratory Infection Clinic (ARI) in a Tertiary Hospital”. Nursing Journal CMU 49 (4):248-60. https://he02.tci-thaijo.org/index.php/cmunursing/article/view/259747.