How does accent affect a businessperson's communication?
I searched in the databases called Business Source Complete and ABI/Inform and found many articles that look like they will be helpful with your topic. Search terms that I tried in varying combinations included the following:
Accents & accentuation
Discrimination in employment
To access the Library database, go to http://www.uhd.edu/library/. Choose the Databases tab and select databases in alphabetical order.