SARI TARUMASELY; SUSI SISWATI. Analisis Rasio Profitabilitas Pada PDAM Tirta Merapi Kabupaten Klaten Berdasarkan Operating Profit Margin, Net Profit Margin, Return On Asset dan Return On Equity. EQUILIBRIUM - Jurnal Bisnis dan Akuntansi, [S. l.], v. 15, n. 1, 2021. DOI: 10.61179/ejba.v15i1.226. Disponível em: https://journal.ukrim.ac.id/index.php/jem/article/view/226. Acesso em: 18 apr. 2026.