Radianto, Sambari, and Mahjudin Mahjudin. 2021. “Estimating Impact of Covid 19 Outbreaks on Regional Economic’s Development”. Journal Universitas Muhammadiyah Gresik Engineering, Social Science, and Health International Conference (UMGESHIC) 1 (1):87-91. https://doi.org/10.30587/umgeshic.v1i1.2476.