ENHANCING THE EFFICIENCY OF GOLD RECOVERY PROCESSES DURING THE PROCESSING OF PLACER DEPOSIT SANDS. Global Economic Review: Journal of Economics, Policy, and Business Development, [S. l.], v. 2, n. 4, p. 34–36, 2026. Disponível em: https://ecomindspress.com/index.php/ger/article/view/340. Acesso em: 19 apr. 2026.