Mulyono, Rochmaniah A. Formal and Informal Communication Strategies in Employee Union Participation: Strategi Komunikasi Formal dan Informal dalam Partisipasi Serikat Pekerja. acopen [Internet]. 2025 Dec. 12 [cited 2026 Mar. 4];10(2):10.21070/acopen.10.2025.12642. Available from: https://acopen.umsida.ac.id/index.php/acopen/article/view/12642