BALDOTTO, M. A. and Baldotto, L. E. B. (2018) “Relation between carbon stocks, their stability and the bioactivity of humic substances from soils under integrated farming, livestock, and forestry”, Revista Ceres, 10(1). Available at: https://ojs.ceres.ufv.br/ceres/article/view/5278 (Accessed: 22 May 2026).