K. Salajpal, “Limits in extensive swine husbandry – a case study of Turopolje pig production system in Croatia”, AAK, vol. 14, no. 2, pp. 215–220, Feb. 2010, Accessed: Dec. 05, 2025. [Online]. Available: https://journal.uni-mate.hu/index.php/aak/article/view/2004