International benchmarking of infrastructure performance in the Southern African customs union countries. - Washington : World Bank, 2006. - II, 60 p. : ill. ; 28 cm.см.. - (Policy research working paper; 3987). - Bibliogr.: p. 49-60[MFN: 12061]
UDC: 338.49(6)
• Fedderke, Johannes W.;
Subjects:- სამხრეთ აფრიკის ქვეყნების ინფრასტრუქტურა;
E 22.767/4 = 338.49(6)/B-71 - Civil Education Reading Hall