No. | Factor | References |
---|---|---|
1 | Lack of transport infrastructure | (Yadav and Barve 2015, Martinez et al. 2011, Jahre et al. 2007, Costa et al. 2012, Richey et al. 2009, Balcik et al. 2010, Balcik and Beamon 2008, Ngwenya and Naude 2016) |
2 | Rugged topography | |
3 | Custom clearance | (Dube et al. 2016, Ngwenya and Naude 2016, Scholten et al. 2006) |
4 | Limited transport capacities | (Balcik et al. 2010, Balcik and Beamon 2008, Ngwenya and Naude 2016) |
5 | Limited transportation resources (Vehicles & Drivers) | (Balcik et al. 2010, Balcik and Beamon 2008, Ngwenya and Naude 2016, Martinez et al. 2011) |