Teaching Rajasthan Librarian Grade-II 2024 Mock Test Library Science Information Sources & Services Reference Service
Which of the following are value added information services?
(i) Aggregator services
(ii) Lending services
(ii) Document Delivery Services
(iv) Market Survey Report
1
(i) and (ii)
2
(ii) and (iv)
3
(i) and (iv)
4
(ii) and (ii)