7Poole, N. D; Campo Gomis, E J D.; Julia Igual, J. F and Gimdnez, E V.: Formal Contracts in Fresh Produce Markets, Food Policy, Vol. 23, No. 2, 1998.
8Berdegue. J. A.; Reardon T.; Balsevich, E; Martinez, Anabel; Medina, Ruben; Aguirre, Marx and Echanove, Flavia: Supermarts and Michoacdn Guava Farmers in Mexico, Staff Paper Series of Department of Agricultural Economics, Michigan State University, 2006.
9Balsevich, E; Berdegue, J. and Reardon, T.: Supermarket, New.generation Wholesalers, Tomato Farmers, and NGOs in Nicaragua, Staff Paper Series of Department of Agricultural Economics, Michigan State University, 2006.
10Pingali, P.: Westernization of Asian Diets and the Transformation of Food Systems: Implications for Research and Policy, Food Policy, Vol. 32, No. 3, 2007.