Communication System in Niklas Luhmann’s Perspective: Conceptual Relevance in the Digital Era. Sadida Islamic Communications and Media Studies, [S. l.], v. 5, n. 2, p. 56–81, 2025. DOI: 10.22373/76vmpw31. Disponível em: https://comms.ar-raniry.ac.id/sadida/article/view/258. Acesso em: 29 sep. 2026.