文
论文分享
演练场
杂货铺
论文推荐
字
编辑器下载
登录
注册
R. Tsimba
发表
1. A farming systems approach to improving draft animal power in sub-Saharan Africa; Participatory technology development for animal traction: experiences from a semi-arid area of Kenya; Socio-economic aspects of animal power: a diagnostic study in Zimbabwe
Harriet Matsaert, Boniface Mwaniki, L R Ndlovu, 1999 .