ARDIANTO, Ivan; HADIWIYONO, Vincent; MULYANINGSIH, Tri. The Role of Mining Materials in Group C Against Community Welfare In Ngawi Regency. Ekuilibrium : Jurnal Ilmiah Bidang Ilmu Ekonomi, [S. l.], v. 13, n. 2, p. 130–144, 2018. DOI: 10.24269/ekuilibrium.v13i2.2018.pp130 - 144. Disponível em: https://journal.umpo.ac.id/index.php/ekuilibrium/article/view/892. Acesso em: 26 may. 2026.