Hendro Prajitno, Jongky, Sulistiawati Kahexa Firman, Jefferson Caessario, Nihal Sofyan, Bagus Ari, Anak Agung Putri, Alfi Nureta, Aulia Rafikasari, Liofelita Christi, y Hamzah Farouq. «The Proper Use of Face Mask During COVID-19 Pandemic in Urban Community». Gaceta Médica de Caracas 129, no. 2S (septiembre 4, 2021): S299-S304. Accedido junio 28, 2024. http://saber.ucv.ve/ojs/index.php/rev_gmc/article/view/22912.