Raphael, Mark, Angela Kelly-Hanku, David Heslop, Danielle Hutchinson, Mohana Kunasekaran, Ashley Quigley, and Raina MacIntyre. “Early Pandemic Use of Face Masks in Papua New Guinea under a Mask Mandate”. Western Pacific Surveillance and Response 14, no. 1 (March 28, 2023): 6. Accessed April 18, 2024. https://ojs.wpro.who.int/ojs/index.php/wpsar/article/view/998.