Hadi Panjaitan. The Effect of Human Resources Quality and Work Professionalism on Employee Performance at UD. Nacen Rupat Serdang Bedagai. IJEC [Internet]. 2022 Jun. 30 [cited 2024 Nov. 26];1(1):275-81. Available from: https://ejournal.ipinternasional.com/index.php/ijec/article/view/173