For articles from a communication perspective, try Communication & Mass Media Complete.
For articles from a business perspective, try Business Source Complete.
For articles from an education perspective, try Education Research Complete.
For articles on technology, try ACM Portal or IEEE Xplore, though the articles will be quite technical.
Below are links to some of the core technical communication journals we have online and/or in print. The link will take you to the catalog record for the journal.