“Loss of sediments and nutrients through runoff steepness and soybean variety on portuguesa river basin” (2013) Revista Verde de Agroecologia e Desenvolvimento Sustentável, 8(1), pp. 300–305. Available at: https://www.gvaa.com.br/revista/index.php/RVADS/article/view/2169 (Accessed: 13 September 2026).