PUTRI, R. D.; SATRIA, D. Determinan Pendapatan Tenaga Kerja di Sumatera Barat: Pendekatan Model Heckman Two-Step. Media Riset Ekonomi Pembangunan (MedREP), [S. l.], v. 3, n. 6, 2026. Disponível em: https://medrep.ppj.unp.ac.id/index.php/MedREP/article/view/559. Acesso em: 8 nov. 2026.