@article{1361279, author = {Balka, Don. and Hull, Ted H. and Miles, Ruth Harbin.}, url = {http://library.usi.edu/record/1361279}, title = {A guide to mathematics leadership: sequencing instructional change /}, publisher = {Corwin,}, recid = {1361279}, pages = {xix, 153 p. :}, address = {Thousand Oaks, Calif. :}, year = {2010}, }