The business solutions to business problems enabled by voice and data commumnications Carr, Houston H. creator Snyder, Charles A. Boston McGraw-Hill c2003 2nd ed. xii, 810 p. : ill. ; 26 cm. Houston H. Carr, Charles A. Snyder. Business Communication systems Telecommunication systems 384/.068 0072489316 http://www.loc.gov/catdir/toc/mh031/2002071850.html http://www.loc.gov/catdir/description/mh031/2002071850.html http://www.loc.gov/catdir/toc/mh031/2002071850.html http://www.loc.gov/catdir/description/mh031/2002071850.html DLC DLC