1. Ali, M., Quan, N.T., Nam, N.V., 2006. An analysis of food demand patterns in Hanoi: predicting the structural and qualitative changes. Technical Bulletin No. 35. AVRDC – The World Vegetable Center, Shanua.
2. The rapid rise of supermarkets in Costa Rica: impact on horticultural markets;Alvarado;Development Policy Review,2002
3. Balsevich, F., Berdegue, J., Reardon, T., 2006. Supermarkets, New-generation Wholesalers, Tomato Farmers and NGOs in Nicaragua. Staff Paper, Department of Agricultural Economics, Michigan State University.
4. A note on interlinked rural economic arrangements;Bardhan,1989
5. Bosc, P.M., Eychenne, R., Hussein, K., Losch, B., Mercoiret, M.R., Rondot, P., Macintosh-Walker, S., 2001. The Role of Rural Producer Organizations in the World Bank Rural Development Strategy. London, Montpellier, DFID/CIRAD/ODI.