Reference Service: 

Notwithstanding library catalogues and various other aids available for exploiting the library resources, users would frequently need some personal assistance in understanding the shelf arrangements and in locating documents, and more importantly, specific Pieces of information. It is customary to provide assistance in such circumstances which is considered one of the most important tasks of libraries and information centres. However , assistance in location specific pieces of information is generally called reference service. Unit 5 of this course is fully devoted to reference service.