Foppa L, Caldara FR, Machado S, Moura R, Santos RKS, Nääs IA, Garcia RG. ENVIRONMENTAL ENRICHMENT AND BEHAVIOUR OF PIGS: REVIEW. Braz J Biosyst Eng [Internet]. 2014 Dec. 9 [cited 2025 Jan. 9];8(1):1-7. Available from: http://45.239.40.70/index.php/BIOENG/article/view/173