Sectoral Variations on Technical Efficiency and Return to Scale in the Indonesian Economy. Signifikan: Jurnal Ilmu Ekonomi, [S. l.], v. 5, n. 2, p. 119–132, 2016. DOI: 10.15408/sjie.v5i2.3400. Disponível em: https://journal.uinjkt.ac.id/signifikan/article/view/3400. Acesso em: 20 feb. 2026.