SAMRIN. Analysis of Human Resource Policy in Increasing Productivity at the Medan City Cooperative Service. International Conference Epicentrum of Economic Global Framework, [S. l.], p. 1047–1052, 2024. Disponível em: https://proceeding.pancabudi.ac.id/index.php/ICEEGLOF/article/view/261. Acesso em: 16 dec. 2025.