Wijayaratna, C.M.

Uphoff, N. & Wijayaratna, C.M., 2000. Demonstrated benefits from social capital : the productivity of farmer organizations in Gal Oya, Sri Lanka, Ithaca, NY, USA: Cornell University Press. Available at: https://es.ircwash.org/sites/default/files/Uphof-2000-Demonstrated.doc.