Utami, Siska Widia. “PENGARUH NET PROFIT MARGIN (NPM), RETURN ON ASSET (ROA), DAN DEBT TO EQUITY RATIO (DER) TERHADAP RETURN SAHAM”. Jurnal Ilmu Ekonomi dan Sosial (JIES) 9, no. 1 (November 25, 2020). Accessed June 3, 2026. https://publikasi.mercubuana.ac.id/index.php/jies/article/view/8244.