“…Among the factors identified are appropriate project identification and selection (Qiao et al, 2001;Węgrzyn, 2016) and transparent procurement process (Zhang, 2005a;Federal Republic of Nigeria (FRN), 2009;Gleave, 2012;Węgrzyn, 2016). In housing, studies have examined the objectives and success factors (UN-HABITAT, 2006; Abdul-Aziz and Jahn-Kassim, 2011), challenges (UN-HABITAT, 2006;Trankanont and Charoenngam, 2014) and the modus operandi of PPPs in housing (Aziz and Hanif, 2006;Abdul-Aziz, 2012;Filushina et al, 2015). Other studies are on the contexts in which PPPs have been applied (UN-HABITAT, 2006;Yuan et al, 2012) and their control mechanisms (Abdul- Aziz, 2012).…”