ISWANDIR, I. ANALISIS PENGARUH RETURN ON ASSET (ROA) DAN NET PROFIT MARGIN (NPM) TERHADAP INCOME SMOOTHING (Studi Kasus Perusahaan Manufaktur yang terdaftar di BEI). JSI (Jurnal sistem Informasi) Universitas Suryadarma, [S. l.], v. 5, n. 1, p. 95–116, 2020. DOI: 10.35968/jsi.v5i1.26. Disponível em: https://journal.universitassuryadarma.ac.id/index.php/jsi/article/view/26. Acesso em: 11 sep. 2025.