THE IMPACT OF SEASON OF BIRTH AND BREEDING OF BOARS OF POLISH LANDRACE BREED ON THEIR INSEMINATION EFFICIENCY

by Kazimierz Pokrywka, Krzysztof Tereszkiewicz, Maria Ruda
Published 2014-09-01

ENDOGENOUS DETERMINANTS OF INVESTMENTS IN FARMS OF SELECTED COUNTRIES OF CENTRAL AND EASTERN EUROPE

by Dariusz KUSZ, Stanislaw GEDEK, Maria RUDA, Stanislaw ZAJAC
Published 2014-10-01