Columbia subject headings:
Agricultural extension work--Research--India--International cooperation--Directories.
Agriculture--Research--India--Directories.
Non-governmental organizations--Research--India--Directories.
Service Centre for International Non-governmental Organizations--Research--Directories.
Harvard subject headings:
Agricultural extension work--India--Societies, etc.--Directories.
Agriculture--Research--India--Societies, etc.--Directories.
Non-governmental organizations--India--Directories.
Princeton subject headings: