Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Library Science Information Sources & Services Reference Service
Expert systems developed for rendering reference services are
(A) POINTER
(B) PLEXUS
(C) HAMLET
(D) PANDORA
Choose the correct answer from the options given below:
1
(A) and (B) only
2
(B) and (C) only
3
(A) and (D) only
4
(C) and (D) only