Rice landrace diversity in Nepal. Socio-economic and ecological factors determining rice landrace diversity in three agro-ecozones of Nepal based on farm surveys
Trends and distribution of Chinese cassava production and use, 1820-1984 (A technological and economic examination of historical development and future potential)
Improving the sustainability of cassava-based cropping systems for smallholder farmers in the uplands of Lao PDR
Cassava breeding: A multidisciplinary review: Proceedings of a workshop, held in the Philippines, 4-7, March 1985