Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Library Science Library System Types of Library & Information Systems
'World Digital Library' is project of
1. UNESCO
2. OCLC
3. ALA
4. US Library of Congress
1
1 and 2 only
2
2 and 3 only
3
1 and 4 only
4
2 and 4 only