Indrajaya, D. ., R. H. A. . Nasution, and L. Deswindi. “Identification of Factors Affecting the Productivity of Medium Small Micro Enterprises (MSMEs)”. International Journal of Economics Development Research (IJEDR), vol. 3, no. 3, Sept. 2022, pp. 227-35, doi:10.37385/ijedr.v3i3.403.