García Ventocilla, D., Mamani Gamarra, G., Román Cabello, N., Suárez Salas, L., Contreras Marín, A., & Malca Jauregui, J. (2011). Effect of addition of organic matter on bacterial population dynamics of soil in potato and corn crops. Revista Peruana De Biología, 18(3), 355-360. https://doi.org/10.15381/rpb.v18i3.452