@BOOK {FRESCO:1993,
title = {The dynamic of cassava in Africa; an outline of research issues: COSCA working paper, No. 9},
author = {Fresco, L. },
series = {COSCA working paper},
year = {1993},
number = {9},
publisher = {International Institute of Tropical Agriculture (IITA)},
address = {Ibadan, Nigeria},
note = {RTB; Root and Tuber; Cassava},
}