1. Adesina A.A., Mbila D., Nkamleu G.B. and Endamana D. 2000. Econometric analysis of the determinants of adoption of alley farming by farmers in the forest zone of southwest Cameroon. Agriculture, Ecosystems and Environment 80: 255–265.
2. Ajayi O.C, Katanga R., E. Kuntashula and Ayuk E.T. 2002. Effectiveness of local policies in enhancing adoption of agroforestry technologies: the case of bylaws on grazing and fire in eastern Zambia. In: Kwesiga F., Ayuk E.T. and Agumya A. (eds.) Proceedings of the 14th Southern African Regional Review and Planning Workshop, 3-7 September 2001, Harare, Zimbabwe, ICRAF Regional Office, Harare, Zimbabwe, pp. 23–27.
3. Working Paper;O.C. Ajayi,2001
4. Ayuk, E.T. and Agumya A. 2001. Combining surveys with spatial data: Assessment of soil fertility management practices in Zimbabwe. In: Proceedings of the International Workshop on Farm Household Information Systems for Improved Livelihoods and Reduced Hunger and Poverty, 4-7 December 2001, Rome, Italy, pp. 34–42.
5. Ayuk E.T. and Mafongoya P.L. 2002. Risk and returns characteristics of improved fallows in eastern Zambia: an application of stochastic dominance methods In: Kwesiga F., Ayuk E. and Agumya A. (eds), Proceedings of the 14th Southern African Regional Review and Planning Workshop, 3-7 September 2001, Harare, Zimbabwe, ICRAF Regional Office, Harare, Zimbabwe, pp. 28–34.