1. Q-Methodology;B McKeown,2013
2. Brown SR. Political subjectivity: Applications of Q methodology in political science. New Haven and London. Available at http://qmethod.org/papers/Brown-1980-PoliticalSubjectivity.pdf: Yale University Press; 1980.
3. Value plurality among conservation professionals;CG Sandbrook;Conservation Biology,2011
4. What do conservationists think about markets?;CG Sandbrook;Geoforum,2013