Coon CD, Bokowy KL, Horblyuk R, Zisman RS, McLeod LD, Brown MT. The development and initial assessment of the strategy and leadership systems capability evaluation survey. Health Care Manag (Frederick). 2012 Oct 1;31(4):332-41.
Parsley (Edwards) TL. Review of the phantom respondents: opinion surveys and political representation. J Off Stat. 1994;10(3):351-5.