%0 Journal Article %T Focus Group Evaluation from the Perspective of Program Implementers: Findings Based on the Secondary 2 Program %A Daniel T. L. Shek %A Rachel C. F. Sun %A Christina Y. P. Tang %J The Scientific World Journal %D 2009 %I %R 10.1100/tsw.2009.117 %U http://dx.doi.org/10.1100/tsw.2009.117