Br Sembiring, J.T. et al. 2022. The Effect of COVID-19, KUR and Communication on the Productivity of MSME Entrepreneurs Partners PT Perkebunan Nusantara III Medan City. Journal Research of Social Science, Economics, and Management. 1, 10 (May 2022), 1582 – 1591. DOI:https://doi.org/10.59141/jrssem.v1i10.171.