Arkum, D., Budi Marwoto, P. and Ghaly Ghiffary, G. 2023. Analysis of Pre-post Covid-19 Influence in Bangka Belitung Islands Province: Socio-Economic Aspects in 7 Regencies/Cities. KnE Social Sciences. 8, 12 (Jul. 2023), 104–114. DOI:https://doi.org/10.18502/kss.v8i12.13655.