PAMBAYUN, C. K. Oyster Mushroom Business at Pandemic Covid-19 Era (Study on Improving the Working Productivity of the Communities in Kajang Village, Madiun District): Bisnis Jamur Tiram di Era Pandemi Covid-19 (Kajian Peningkatan Produktivitas Kerja Masyarakat Desa Kajang Kabupaten Madiun). El-Qist: Journal of Islamic Economics and Business (JIEB), Surabaya, Indonesia, v. 11, n. 1, p. 49–59, 2021. DOI: 10.15642/elqist.2021.11.1.49-59. Disponível em: https://jurnalfebi.uinsby.ac.id/index.php/elqist/article/view/430. Acesso em: 29 mar. 2024.