Arkum, D. ., P. . Budi Marwoto, and G. . Ghaly Ghiffary. “Analysis of Pre-Post Covid-19 Influence in Bangka Belitung Islands Province: Socio-Economic Aspects in 7 Regencies/Cities”. KnE Social Sciences, vol. 8, no. 12, July 2023, pp. 104–114, doi:10.18502/kss.v8i12.13655.