“…5 Fishkin (2009), Hendriks (2011), Hendriks e Carson (2008), Warren (2007), Gastil e Levine (2005), Fung (2004), Coelho e Nobre 2004, Fung e Wright (2003), Ackerman e Fishkin (2003), Fishkin e Luskin (2000;, Wampler e Avritzer (2004), Avritzer (2002;, Baiocchi (2005), Abers e Keck (2006), Coelho, Pozzoni e Montoya (2005) e Cornwall e Coelho (2009). 6 Steenbergen et alii (2003), Bächtiger et alii (2009), Black et alii (2009), Stromer-Galley (2007), Kies (2010), Wales, Cotterill e Smith (2010), Graham e Witschge (2003), Wessler (2008), Maia (2008), Marques (2011), Sampaio, Maia e Marques (2010) e Mendonça e Pereira (2012).…”