Salajpal, K. (2006) „Effect of added copper and full fat soybean meal on growth performance and carcass properties in broiler chickens”, Acta Agraria Kaposváriensis, 10(2), o. 207–213. Elérhető: https://journal.uni-mate.hu/index.php/aak/article/view/1796 (Elérés: 5 december 2025).