Skomorucha , I., and E. Sosnówka-Czajka. “The Effect of Mixed Herb Extract on Selected Stress Parameters in Broiler Chickens of Three Genetic Lines”. Annales Universitatis Paedagogicae Cracoviensis Studia Naturae, vol. 3, no. 2, Dec. 2018, pp. 60–66, doi:10.24917/25438832.3supp.8.