Tri YUNIARTO, Pramono Hari ADI, Refius Pradipta SETYANTO, M. Elfan KAUKAB. “GUERILLA MARKETING OF COVID-19 HEALTHY MEASURES”. PalArch’s Journal of Archaeology of Egypt Egyptology, vol. 17, no. 6, Nov. 2020, pp. 10661-77, https://www.archives.palarch.nl/index.php/jae/article/view/2749.