ABDULLAH, . M.; HENDRAWAN, A. Analisis Pengaruh Profit Margin dan Price Earning Ratio terhadap Return on Investment: Studi Empiris pada Perusahaan Sektor Tambang yang Terdaftar di Bursa Efek Indonesia Periode 2019-2023. SCIENTIFIC JOURNAL OF REFLECTION : Economic, Accounting, Management and Business, [S. l.], v. 8, n. 1, p. 233-241, 2025. DOI: 10.37481/sjr.v8i1.1041. Disponível em: https://ojspustek.org/index.php/SJR/article/view/1041. Acesso em: 4 nov. 2026.