Ivanković, Stanko, Gordana Kralik, Zlata Milaković, and Ivan Bogut. 1999. “Effect of Probiotic VEBAC on the Growth of Broilers”. Acta Agraria Kaposváriensis 3 (2): 353-60. https://journal.uni-mate.hu/index.php/aak/article/view/1577.