Reynolds, D., Stringfield, S., & Schaffer, E. (2008). Improving secondary students’ academic achievement through a focus on reform reliability: Four and nine year findings from the High Reliability Schools Project. School Effectiveness and School Improvement, 19(4), pp. 409-428.

Reynolds, David, Sam Stringfield, and Eugene Schaffer. "Improving Secondary Students’ Academic Achievement Through a Focus On Reform Reliability: Four and Nine Year Findings From the High Reliability Schools Project." School Effectiveness and School Improvement 19, no. 4 (2008): 409-428.

Reynolds, David, Sam Stringfield, and Eugene Schaffer. "Improving Secondary Students’ Academic Achievement Through a Focus On Reform Reliability: Four and Nine Year Findings From the High Reliability Schools Project." School Effectiveness and School Improvement 19.4 (2008): 409-428.