Teaching Rajasthan Librarian Grade-II 2024 Mock Test Library Science Knowledge Organization & Information Processing Indexing & Abstracting Techniques
किस वर्ष BNB ने PRECIS (PREserved Context Indexing System) को अपनाया?
1
1970
2
1971
3
1972
4
1975
5
अनुत्तरित प्रश्न