HELMAYANTI; NAILA, E.; SETYANOOR, E. Sistem Ekonomi Sosial Campuran (Konsep, Bentuk, dan Variasi di Negara Berkembang). Surplus: Jurnal Ekonomi dan Bisnis, [S. l.], v. 4, n. 2, p. 206–216, 2026. DOI: 10.71456/sur.v4i2.1610. Disponível em: https://yptb.org/index.php/sur/article/view/1610. Acesso em: 2 feb. 2026.