"Agroforestry parklands in Sub-Saharan Africa Volume 34" of "FAO conservation guide Agroforestry Parklands in Sub-Saharan Africa," ISBN 92-5-104376-0, ISBN 978-92-5-104376-9: 230 pages* Dassanayake, M. D. & Fosberg, F. R.
* Jean-Marc Boffa, Food and Agriculture Organization of the United Nations Publisher Food & Agriculture Org., 1999.