Setyarini, I.B., Ratna, N. dan Mudjihartini, N. 2021. Vitamin D and COVID-19: Insight on Mechanism and Implementation in Equatorial Countries. Majalah Kedokteran Indonesia. 71, 2 (Jun 2021), 61-64. DOI:https://doi.org/10.47830/jinma-vol.71.2-2021-354.