Terčič, Dušan, Jana Puhar, Robert Vadnjal, Antonija Holcman, Lea Gašperlin, Alenka Rajar, and Božidar Žlender. 1999. “Production Results of Free Range Broiler Chickens”. Acta Agraria Kaposváriensis 3 (2): 177-83. https://journal.uni-mate.hu/index.php/aak/article/view/1532.