Teaching Rajasthan Librarian Grade-II 2024 Mock Test Library Science Information Sources & Services Reference Sources & Types
Which of the following is an online database accessible on the internet?
(A). AGRICOLA
(B). GPO Online
(C). Library of Congress WWW/Z39.50 Gateway
(D) Pubscience
1
A, B and C
2
B, C and D
3
A, B and D
4
A, C and D