Research graph
References from Rail track expansion in developing countries in the 1980s. Local targets link to admitted publications; unresolved targets remain external evidence.
Unresolved reference
External reference
Further evidence on the relationship between population density and infrastructure: the Philippines and electrification
10.1086/451289 · 1981 · External reference
The effect of population density on infrastructure: the case of road building
10.1086/450808 · 1975 · External reference
Unresolved reference
External reference
The budgetary impact of defence expenditures in the middle east
1993 · External reference
Unresolved reference
External reference
Unresolved reference
External reference
