L. Oliveira de Sousa, M. Dias Paes Ferreira, L. Vogt, e M. Mergenthaler, “CONTRACTS, SOCIAL NETWORK AND KNOWLEDGE DIFFUSION IN BRAZILIAN SUNFLOWER AGRI-FOOD CHAINS FOR POTENTIAL SUPPLY OF INNOVATIVE FOOD PROTEINS”, REA, vol. 16, nº 1, p. 8–28, maio 2018.