Hakim, Wildan. “The Communication Strategy of Press Unions in Resolving the Conflict of Industrial Relations in Media Companies”. Ultimacomm: Jurnal Ilmu Komunikasi 8, no. 2 (December 30, 2016): 25-43. Accessed May 6, 2024. https://ejournals.umn.ac.id/index.php/FIKOM/article/view/946.