Codjoe, S. N. A., Ehlers, E. and Vleck, P. L. G. (2005) “Effects of change in population, household conditions and farming practices on agricultural land use in the Volta River basin of Ghana, 1984-2000”, ERDKUNDE, 59(2), pp. 126–135. doi: 10.3112/erdkunde.2005.02.04.