TY  - GEN
AU  - Singh, Gurdev
TI  - Information Sources, Services and System
SN  - 9788120346390
AV  - 025.17  SIN/I
U1  - 025.17  
PY  - 2013///
CY  - Delhi
PB  - PHI Learning
N1  - 1) Information Sources
2) Kinds of Reference Books and their Evaluation
3) Dictionaries
4) Encyclopaedias
ER  -