Wm. Benjamin Martz Jr. Venkateshwar K. Reddy Looking for Indicators of Media Richness Theory in Distance Education. 2005 conf/hicss/2005 HICSS http://doi.ieeecomputersociety.org/10.1109/HICSS.2005.392 db/conf/hicss/hicss2005-1.html#MartzMR05