Directory of international scientific organizations.

Directory of international scientific organizations.

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Manylion Llyfryddiaeth
Awdur Corfforaethol: Unesco
Fformat: Llyfr
Iaith:English
Cyhoeddwyd: Paris UNESCO [c1950]
Cyfres:Unesco publication 619.
Pynciau:
Science > Societies, etc. > Directories.
Agriculture > Societies, etc. > Directories.
Engineering > Societies, etc. > Directories.