Valverde, J., Ardón, M., Colindres, I., Elías, S., Rivas, A., & Zappacosta, M. (2002). Peasant innovations in the framework of community forestry in Central America.

Valverde, Jaime, Mario Ardón, Ibis Colindres, Silvel Elías, Abelardo Rivas, och Mario Zappacosta. Peasant Innovations in the Framework of Community Forestry in Central America. 2002.

Valverde, Jaime, et al. Peasant Innovations in the Framework of Community Forestry in Central America. 2002.