权威例句
Utilization, Profitability, and the Adoption of Animal Draft Power in West Africa
Does use of draft animal power increase economic efficiency of smallholder farms in Kenya?
Utilization pattern of animal draft power and cow dung in Bangladesh.
Onset risks and draft animal investment in nigeria
A review of the economic and ecological constraints on animal draft cultivation in sub-Saharan Africa
The Economics of Draft Animal Choice in Italian Agriculture: a Principal-Agent Approach to the Adoption of an Early Form of Capital
Women and Animal Traction Technology: Experiences of the Tangs Draft Animal Project, Tanzania
Agricultural mechanization: the economics of animal draft power in West Africa
A farming systems approach to improving draft animal power in sub-Saharan Africa
Draft Animal Power and Its Research in Ethiopia