Columbia subject headings:
Agriculture--Economic aspects--Senegal--Thiénaba (Arrondissement)
Thiénaba (Arrondissement)--Economic conditions.
Harvard subject headings:
Agriculture--Economic aspects--Senegal
Agriculture--Senegal.
Senegal--Rural conditions.
Technological innovations--Senegal.
Princeton subject headings:
Agriculture--Economic aspects--Senegal.
Agriculture--Senegal.
Senegal--Rural conditions.
Technological innovations--Senegal.