M. Y. Asyhari, K. Sussolaikah, E. R. N. Sari, and S. Nita , Trans., “Heuristic Analysis of the Indonesian Covid-19 Official Website Interface”, International Journal of Advances in Data and Information Systems, vol. 3, no. 1, pp. 38–48, Apr. 2022, doi: 10.25008/ijadis.v3i1.1234.