//-->
International trade in farm and food products : 7. Finnish-Hungarian-Polish Seminar on Agricultural Economics, Eger, Hungary, 5 - 9 October, 1987
Bisztray, Ádám, (1987)
Handel zagraniczny prl.
Borowski, Jerzy, (1979)
Problemy wspólpracy z zagranica̜
(1984)