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), Jakarta, Indonesia, v. 9, n. 1, 2020. DOI: 10.22441/jies.v9i1.8244. Disponível em: https://publikasi.mercubuana.ac.id/index.php/jies/article/view/8244. Acesso em: 3 jun. 2026.