RUBEN, Ruerd; SÁENZ-SEGURA, Fernando. Farmers, Markets and Contracts: Chain Integration of Smallholder Producers in Costa Rica. European Review of Latin American and Caribbean Studies, Amsterdam, v. 1, n. 85, p. 61–80, 2008. DOI: 10.18352/erlacs.9619. Disponível em: https://platform.openjournals.nl/ERLACS/article/view/24009.. Acesso em: 4 feb. 2026.