Okanović, Đorđe, M. Ristić, and S. Nikolić-Stajković. “Remediation of By-Products from Slaughtered Animals in Regard to New Regulations”. Scientific Journal "Meat Technology", Vol. 52, no. 1, June 2011, pp. 31-38, https://journalmeattechnology.com/index.php/meat_technology/article/view/254.