Riyanti, M., Wijayanti, T. and Andayani, T.M. 2025. Cost of illness for COVID-19 patients at Dr. Loekmono Hadi Regional Hospital, Kudus Regency. International journal of health sciences. 9, S1 (Jul. 2025), 298–311. DOI:https://doi.org/10.53730/ijhs.v9nS1.15718.