A. C. García Cabana and J. M. Alba Maldonado, “Diagnosis of the changes in strategic ecosystems in the Eco region of Sogamoso as a result of the rural and urban development policies in the period 2000-2010”., rev.investig.agrar.ambient., vol. 2, no. 2, pp. 97–103, Oct. 2011, doi: 10.22490/21456453.919.