RIZKA FAUZIAH; YUSRINA; EVIFANIE SIMBOLON. Analisi Struktuk Pasar Oligopoli pada Industri Telekomunikasi di Indonesia: Penelitian. Jurnal Pengabdian Masyarakat dan Riset Pendidikan, [S. l.], v. 4, n. 4, p. 28762–28766, 2026. DOI: 10.31004/jerkin.v4i4.6949. Disponível em: https://jerkin.org/index.php/jerkin/article/view/6949. Acesso em: 8 jul. 2026.