Competing Logics in the Further Standardization of Fair Trade: ISEAL and the Símbolo de Pequeños Productores . Int. j. sociol. agric. food (Online) [Internet]. 2013 Jan. 4 [cited 2025 May 12];20(1):51-68. Available from: https://ijsaf.org/index.php/ijsaf/article/view/201