Nathasya, J. A. ., S. R. A. P. Angin, F. Syahrul, and R. D. Wulandari. “Comorbid Diseases and History of Close Contact Factors of Covid-19 Incidence in South Surabaya”. Media Gizi Kesmas, vol. 12, no. 2, Nov. 2023, pp. 779-84, doi:10.20473/mgk.v12i2.2023.779-784.