The Relationship of Knowledge Level with Community Behaviour in the Swiss Cheese Prevention Efforts Model of Covid-19 Transmission During New Normal Era in Surabaya: http://www.doi.org/10.26538/tjnpr/v6i10.15. Trop J Nat Prod Res. 2022;6(10):1650-1653. Accessed January 1, 2026. https://www.tjnpr.org/index.php/home/article/view/1218