Columbia subject headings:
Agricultural development projects--Sudan--Cost effectiveness--Case studies.
Agricultural development projects--Sudan--Evaluation--Case studies.
Arid regions agriculture--Sudan--Case studies.
Harvard subject headings:
Agricultural development projects--Sudan--Cost effectiveness--Case studies.
Agricultural development projects--Sudan--Evaluation--Case studies.
Arid regions agriculture--Sudan--Case studies.
Princeton subject headings:
Agricultural development projects--Sudan--Cost effectiveness--Case studies.
Agricultural development projects--Sudan--Evaluation--Case studies.
Arid regions agriculture--Sudan--Case studies.