Columbia subject headings:
Agriculture--Algeria--Constantine (Wilāyah)--History.
Rural development--Algeria--Constantine (Wilāyah)--History.
Harvard subject headings:
Agriculture--Economic aspects--Algeria--Constantine (Wilāyah)
Constantine (Algeria : Wilāyah)--Economic conditions.
Constantine (Algeria : Wilāyah)--Rural conditions.
Rural development--Algeria--Constantine (Wilāyah)
Princeton subject headings:
Agriculture--Algeria--Constantine (Dept.)--History.
Rural development--Algeria--Constantine (Dept.)--History.