@ARTICLE {BALASUBRAMANIAN:1986, title = {The role of agroforestry in the farming systems in Rwanda with special reference to the Bugesera-Gisaka-Migongo (GMG) regions}, author = {Balasubramanian, V. and Egli, A. }, journal = {Agroforestry Systems}, year = {1986}, volume = {4}, number = {4}, pages = {271--289}, }