Yasa, N. N. K., P. L. D. Rahmayanti, N. L. W. S. Telagawathi, I. G. A. G. Witarsana, and H. K. Liestiandre. “COVID-19 Perceptions, Subjective Norms, and Perceived Benefits to Attitude and Behavior of Continuous Using of Medical Mask”. Linguistics and Culture Review, vol. 5, no. S2, Nov. 2021, pp. 1259-80, doi:10.21744/lingcure.v5nS2.1805.