ZAKIYAH, L. Pengaruh Intellectual Capital terhadap Return on Assets (RoA) pada Perusahaan Berbasis Syariah di Jakarta Islamic Index (JII). Surplus: Jurnal Ekonomi dan Bisnis, [S. l.], v. 4, n. 2, p. 2249–2266, 2026. DOI: 10.71456/sur.v4i2.2135. Disponível em: https://yptb.org/index.php/sur/article/view/2135. Acesso em: 8 oct. 2026.