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Statistical methods in economics
Guthrie, Harold W., (1966)
Mathematics and statistics for economists
Tintner, Gerhard, (1970)
Basic business statistics
Berenson, Mark L., (1979)
Probleme te͏̈ planifikimit te͏̈ ritmeve dhe pe͏̈rpjese͏̈timeve
Bardhoshi, Besim, (1973)
Financat ne͏̈ R. P. S. S. H.
(1983)
Disp. 1