8J coulter, G Onumal. The Role of warehouse Receipt Systems in Enhanced commodity Marketing and Rural Livelihoods in Africa[J]. Food Poliey,2002,27: 319- 337.
10J Coulter, G Onumal. The Role of Warehouse Receipt Systems in Enhanced Commodity Marketing and Rural Livelihoods in Africa[J]. Food Policy, 2002 (27):319-337.