@BOOK {NRI:1992, title = {COSCA phase I processing component: COSCA working paper, No. 7}, author = {NRI, }, series = {COSCA working paper, No. 7}, year = {1992}, publisher = {International Institute of Tropical Agriculture (IITA)}, address = {Ibadan, Nigeria}, note = {30p. A report from phase I of the Collaborative Study of Cassava in Africa (COSCA)}, }