Online reference resources include online dictionaries, encyclopedias, atlases, almanacs. These resources are helpful for reseach when you want to find information about topics, locate facts, and answer questions.
Online reference resources include online dictionaries, encyclopedias, atlases, almanacs. These resources are helpful for research when you want to find information about topics, locate facts, and answer questions.
One of the most trusted sources of information on any topic used in research to provide background information.
Quick reference collection contains dictionaries, language reference, and subject reference works.
Chronology of Science by 
Dictionary of Ecology and Environment by 
Einstein Encyclopedia by