Research -- Methodology 2 Africa, Sub-Saharan 1 Agricultural extension work -- 1 Agriculture -- 1 Agriculture and state -- 1 Congresses 1 more ... Developing countries 1 International relations -- 1 Mass media -- 1 Non-governmental organizations -- 1 Peace -- 1 Social sciences -- 1 Sustainable agriculture -- 1 Technology transfer -- 1 Vocational education -- 1 Vocational guidance -- 1 War -- 1 less ...