Septian Tampubolon, M. H., G. C. Raphita Hasibuan, M. R. . Anas, and R. . Bakara. “The Influence of HR Management Quality on Improving the Performance of Contracting Companies in North Sumatra”. Jurnal Indonesia Sosial Teknologi, vol. 5, no. 6, June 2024, pp. 2783-97, doi:10.59141/jist.v5i6.1136.