Amelia, R. ., E. S. . Ginting, and A. H. . Hutasoit. “Effect Of Economic Growth, Education Level And Human Development Index To Employment Opportunity In North Sumatera Province”. International Journal on Social Science, Economics and Art, vol. 11, no. 3, Nov. 2021, pp. 123-9, doi:10.35335/ijosea.v11i3.62.