ANALISIS PENGARUH DEBT TO EQUITY RATIO (DER) DAN NET PROFIT MARGIN (NPM) TERHADAP RETURN SAHAM PADA PT. HANJAYA MANDALA SAMPOERNA, TBK. JEBER [Internet]. 2024 Apr. 30 [cited 2026 May 10];1(2):33-42. Available from: https://journal.smartpublisher.id/index.php/jeber/article/view/156