Production of 34S-labeled gypsum (Ca34SO4.2H2O) . Scientia Agricola, [S. l.], v. 63, n. 4, p. 399–404, 2006. DOI: 10.1590/S0103-90162006000400012. Disponível em: https://www.revistas.usp.br/sa/article/view/22181.. Acesso em: 16 may. 2024.