Books by John Yearwood
Jar of Pennies
Technologies for Supporting Re
Technologies for Supporting Reasoning Communities and Collaborative Decision Making
Agriculture production in the
Agriculture production in the Bo and Pujehun Districts of Sierra Leone
Storage facilities in the chie
Storage facilities in the chiefdoms of Bo and Pujehun District
The economics of improved upla
The economics of improved upland rice farming in the Bo and Pujehun Districts of Sierra Leone