1.
Helvy Yunida. PENGARUH PPKM DARURAT DAN PROTOKOL KESEHATAN 5 M TERHADAP PENURUNAN COVID-19 . JIRK [Internet]. 2021 Sep. 24 [cited 2026 Mar. 8];1(4):547-56. Available from: https://mail.bajangjournal.com/index.php/JIRK/article/view/322