Nabila, N. M., I. . Zulkarnain, and D. . Kurniawati. “Corporate Communication in Growing Internal Relations of Employees PT. Pupuk Indonesia Sales Department Region 1 North Sumatera”. Indonesian Journal of Advanced Research, vol. 3, no. 1, Jan. 2024, pp. 179-88, doi:10.55927/ijar.v3i1.7922.