Gunardi, F. L. W., I. G. M. N. Desnanjaya, and I. W. Sudiarsa. “Sistem Pendeteksian Masker Dan Hand Sanitizer Otomatis Berbasis Raspberry Pi”. Journal of Practical Computer Science, vol. 1, no. 2, Jan. 2022, pp. 12-24, doi:10.37366/jpcs.v1i2.925.