1986
“Agroforestry Farming Systems In The Homesteads Of Kerala, Southern India”. Agroforestry Systems 4 (4): 339-363. doi:10.1007/BF00048107. https://doi.org/10.1007/BF00048107.
. 1986. “The Role Of Agroforestry In The Farming Systems In Rwanda With Special Reference To The Bugesera-Gisaka-Migongo (Bgm) Region”. Agroforestry Systems 4 (4): 271-289. doi:10.1007/BF00048104. http://link.springer.com/article/10.1007/BF00048104.
. 1986.