KOH, David SQ; WONG, Sheena XM; WONG, Justin. Testing for COVID-19 cases in ASEAN. Western Pacific Surveillance and Response, Manila, Philippines, v. 11, n. 4, 2020. DOI: 10.5365/wpsar.2020.11.1.013. Disponível em: https://ojs.wpro.who.int/ojs/index.php/wpsar/article/view/724. Acesso em: 3 jun. 2026.