1990
“The Banana (Musa Spp.) Coffee Robusta: Traditional Agroforestry System Of Uganda”. Agroforestry Systems 11 (3): 213-226. doi:10.1007/BF00045900. https://doi.org/10.1007/BF00045900.
. 1990. 1988
“Traditional Agroforestry System In The Cordilleras (Ifugao)”. Likasyaman (Technology Series).
. 1988. 1987
“Kandyan Gardens Of Sri Lanka”. Agroforestry Systems 5 (2): 123-137. doi:10.1007/BF00047517. https://doi.org/10.1007/BF00047517.
. 1987. 1985
“Dynamics Of Fallow Successions And Introduction Of Robusta Coffee In Shifting Cultivation Areas In The Lowlands Of Papua New Guinea”. Agroforestry Systems 3 (3): 227-238. doi:10.1007/BF00046956. http://link.springer.com/article/10.1007/BF00046956.
. 1985. “Food, Coffee And Casuarina: An Agroforestry System From The Papua New Guinea Highlands”. Agroforestry Systems 2 (4): 273-279. doi:10.1007/BF00147038. http://link.springer.com/article/10.1007/BF00147038.
. 1985. 1983
“Machiguenga Gardens”. In Adaptive Responses Of Native Amazonians, 29-63. New York: Academic Press. http://www.worldcat.org/oclc/8827760.
. 1983.