Zulkifli, Z., R. Agoestyowati, N. Prasetyningsih, Y. Heriyanti, and E. Marsudi. “Analysis of Digital Optimization Strategy at Al Eiman Royal Hotel Madinah During Pandemic”. Ilomata International Journal of Management, Vol. 3, no. 1, Jan. 2022, pp. 31-43, doi:10.52728/ijjm.v3i1.355.