ANALISIS PENGARUH DEBT TO EQUITY RATIO (DER) DAN NET PROFIT MARGIN (NPM) TERHADAP RETURN SAHAM PADA PT. HANJAYA MANDALA SAMPOERNA, TBK. Jurnal Ekonomi Bisnis dan Kewirausahaan, [S. l.], v. 1, n. 3, p. 90–99, 2024. DOI: 10.69714/p1nzt618. Disponível em: https://journal.smartpublisher.id/index.php/jeber/article/view/156. Acesso em: 30 apr. 2026.