ARRŽivković, ŽivanPanić, Marija2023-12-252023-12-2520212334-816X10.5937/trendpos2101009Zhttps://repozitorijum.tfbor.bg.ac.rs/handle/123456789/571enExtension of the Basic Global Health Security (GHS) Index – Health System Security Indicatorarticle