ANALISIS RASIO PROFIT MARGIN DAN OPERATING MARGIN ANTARA SEKTOR INDUSTRI ENERGI DAN INDUSTRI FINANSIAL. Efektif : Jurnal Bisnis dan Ekonomi, [S. l.], v. 15, n. 2 Desember, p. 126–147, 2025. DOI: 10.37159/mxpxtw08. Disponível em: https://jurnalefektif.janabadra.ac.id/index.php/ojs/article/view/34.. Acesso em: 15 jun. 2025.