World guide to science information and documentation services = Guide mondial des centres de documentation et d'information scientifiques.
| निगमित लेखक: | |
|---|---|
| स्वरूप: | पुस्तक |
| भाषा: | English |
| प्रकाशित: |
Paris
United Nations Educational Scientific and Cultural Organization
c1965.
|
| विषय: |