@article{350566, recid = {350566}, author = {Petit, Marjorie M. and Laird, Robert E. and Marsden, Edwin L.}, title = {A focus on fractions : bringing research to the classroom /}, publisher = {Routledge,}, address = {New York :}, pages = {xiv, 187 p. :}, year = {2010}, url = {http://library.usi.edu/record/350566}, }