Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Library Science Information Sources & Services Information Sources & Types
Who among the following have distinguished "Primary document" as one of the type of documents?
A. S R Ranganathan
B. C W Hanson
C. Denis Grogan
D. F W Lancaster
E. SC Bradford
Choose the correct answer from the options given below:
1
A and B only
2
B and C only
3
C and D only
4
D and E only