@article{907761, author = {Coulby, David. and Harper, Tim.}, url = {http://library.usi.edu/record/907761}, title = {Preventing classroom disruption policy, practice, and evaluation in urban schools / [electronic resource] :}, publisher = {Routledge,}, recid = {907761}, pages = {189 p. :}, address = {London ;}, year = {2012}, }