Udayanti, E., E. Kartikadharma, F. Firdausillah, and N. Ikhsan. “COVID-19 Suspects Monitoring System Based on Symptom Recognition Using Deep Neural Network”. International Journal of Engineering and Computer Science Applications (IJECSA), Vol. 2, no. 1, Dec. 2022, pp. 1-10, doi:https://doi.org/10.30812/ijecsa.v2i1.2073.