Ceballos V, D., Hernández I, O. and Vélez L, J. (2010) “The effects of farming on the physical properties of andisol soil in the department of Nariño”, Revista de Ciencias Agrícolas, 27(1), pp. 40–48. Available at: https://revistas.udenar.edu.co/index.php/rfacia/article/view/47 (Accessed: 16 June 2025).