E. H. H. Panjaitan, R. Rupianti, T. Sukomardojo, A. R. T. Astuti, and A. Sutardjo, “THE ROLE OF HUMAN RESOURCE MANAGEMENT IN IMPROVING EMPLOYEE PERFORMANCE IN PRIVATE COMPANIES”, Jurnal Ilmiah Manajemen, vol. 4, no. 1, pp. 225–233, Feb. 2023.