Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Library Science Information Sources & Services Reference Service
Which of the following are maintained to provide Selective Dissemination of Information (SDI) service?
1) Author Profile
2) Library Profile
3) Document Profile
4) User Profile
1
1 and 2 are correct
2
2 and 3 are correct
3
3 and 4 are correct
4
1 and 4 are correct