Bartl, K.; Mayer, A.C.; Gómez, C.A.; Muñoz, E.; Hess, H.D. - In: Agricultural Systems 101 (2009) 3, pp. 152-161
In four communities in the Peruvian Andes, 56 farmers were interviewed every three months over a period of one year. Information linked to milk and cattle production such as activities, inputs (labour, means of production, capital) and outputs (milk, cheese, animals) were recorded using a...