Warning: file_get_contents(https://ojs.journalbusiness.my/ojs.php): failed to open stream: HTTP request failed! HTTP/1.1 404 Not Found in /var/www/ojs.unud.ac.id_backup/lib/pkp/includes/functions.inc.php on line 4 Sari, Putri, Siti Aisyah Nur, Honesty Diana Morika, & Meldafia Idaman. " TINGKAT PENGETAHUAN PADA KECEMASAN REMAJA TERHADAP COVID-19 DI SMPN 16 KERINCI." E-Jurnal Medika Udayana [Online], 11.7 (2022): 41-47. Web. 30 Aug. 2026