Pengaruh Struktur Modal terhadap Profitabilitas pada Perusahaan Telekomunikasi yang Terdaftar di BEI Periode 2020-2023. EKOSISTEM: Journal of Economics, Business, and Contemporary Tourism, [S. l.], v. 1, n. 2, p. 137–150, 2026. Disponível em: https://journal.bacaanmedia.id/index.php/ekosistem/article/view/9. Acesso em: 1 aug. 2026.