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Regional development strategy in Southeast Europe. A comparative analysis of Albania, Bulgaria, Greece, Romania and Yugoslavia
Hoffman, George Walter, (1972)
Ngritja e rendimentit te͏̈ pune͏̈s ne͏̈ planin e shtate͏̈ pese͏̈vjeçar, 1981-1985
Banja, Hasan, (1982)
The National Conference on Problems of the Development on the Economy in the 7th Five-Year Plan, 11th-12th April 1983, Tirana
(1983)