Dynamics and definitions of poverty in the Colombian Andes: Participatory and objective approaches - Peralta, A.; García, J.; Moreno, Alonso; Granados, S.; Botero, L.F.; Rodríguez, H.; Rubiano, J.A.; Johnson, Nancy L.; Rubiano Mejía, Jorge Eliécer; Quintero, Marcela; Estrada, R.D. (2006)