Help

Type a word like "computer" or type a phrase like "digital divide" in the search box and click "submit".

Note that all terms entered in search boxes are combined with AND.

Please use:

"" to search for phrases (e.g. "African economy")

/ instead of OR (e.g. Ethiopia OR Kenya)

! instead of NOT (e.g. Ethiopia ! Kenya )

Special characters:

* to truncate (e.g. comm* finds commercial, commerce, community, etc.)

>, <, <=, >= for greater or less than (e.g. <=1999 finds dates earlier than 1999 inclusive)

: to search a range (e.g. 1992:2002, which means between 1992 and 2002)

Find more detailed Help on how to search.