Tjampakasari, Conny Riana, Andi Yasmon, Yulia Rosa, and Fithriyah Sjatha. “Sampling of Sars-Cov-2 Covid-19 an Air Using the Impingement Method With Real-Time PCR As Detection Examination”. East Asian Journal of Multidisciplinary Research 3, no. 3 (April 5, 2024): 1251–1264. Accessed May 15, 2025. https://journal.formosapublisher.org/index.php/eajmr/article/view/8651.