كوركيس حازم منصور, and عبد الرحمن سها طالب. “Choose the Best Model to Measure the Impact of Human Capital on Labor ProductivityIn the Manufacturing Sector in Iraq”. Journal of Economics and Administrative Sciences, vol. 17, no. 61, Aug. 2018, p. 226, https://doi.org/10.33095/jeas.v17i61.1093.