@article{200939, author = {Johnson, David W., and Johnson, Roger T., and Smith, Karl A.}, url = {http://library.usi.edu/record/200939}, title = {Academic controversy : enriching college instruction through intellectual conflict /}, publisher = {Graduate School of Education and Human Development, George Washington University,}, recid = {200939}, pages = {xiv, 147 p. :}, address = {Washington, DC :}, year = {1996}, }