Columbia subject headings:
Agricultural development projects--Developing countries--Evaluation.
Agricultural extension work--Developing countries--Evaluation.
Agriculture--Research--Developing countries--Evaluation.
Agriculture--Technology transfer--Developing countries--Evaluation.
Harvard subject headings:
Agricultural development projects--Developing countries--Evaluation.
Agricultural extension work--Developing countries--Evaluation.
Agriculture--Research--Developing countries--Evaluation.
Agriculture--Technology transfer--Developing countries--Evaluation.
Princeton subject headings:
Agricultural development projects--Developing countries--Evaluation.
Agricultural extension work--Developing countries--Evaluation.
Agriculture--Developing countries--Technology transfer--Evaluation.
Agriculture--Research--Developing countries--Evaluation.