This service also known as service of reference book. This kind of thing provide services to users in the form of reference collections such as :
- dictionary
- encyclopedia
- guide
- regulations and legislation
- abstract
- index
- and others.
The entire collections can be borrowed only in 2 weeks on Saturday and returned on Monday. Besides, it is also a tracking service center information with other information, for example:
- Internet facilities
- PDII-LIPI
- National Library