Watthanapong W, Papattha C. Attitudes Affecting Healthy Clean Foods During the Coronavirus 2019 Epidemic in Bangkok. RMUTP HUSO [internet]. 2022 Jun. 30 [cited 2026 Sep. 10];7(1):34-49. available from: https://so05.tci-thaijo.org/index.php/rmutphuso/article/view/258229