Septian Tampubolon, Moses Hasiholan, Gina Cynthia Raphita Hasibuan, M. Ridwan Anas, and Ricky Bakara. 2024. “The Influence of HR Management Quality on Improving the Performance of Contracting Companies in North Sumatra”. Jurnal Indonesia Sosial Teknologi 5 (6):2783-97. https://doi.org/10.59141/jist.v5i6.1136.