Yazar
Robert Burnet Tripp
3 cilt bulundu.
Cilt sonuçları
Biotechnology and agricultural development
Robert Burnet Tripp · Routledge
274 sayfa · 2009
Agricultural biotechnology / Biotechnology / Agriculture and state / Cotton / Economic aspects
Economic strategies and nutritional status in a compound farming settlement of Northern Ghana
Robert Burnet Tripp · Columbia University
294 sayfa · 1978
Agriculture / Economic conditions / Nutrition
Farmer participation in agricultural research
Robert Burnet Tripp · Institute of Development Studies
35 sayfa · 1989
Research / Agriculture / Field experiments / Citizen participation / On-farm