Widyaningtyas, I., and F. Rahmawati. “Dampak Serta Strategi UMKM Saat Pandemi Covid-19 Di Kabupaten Sidoarjo”. Ekonomi Dan Bisnis, vol. 8, no. 1, July 2021, pp. 21-41, doi:10.35590/jeb.v8i1.2860.