L. . Szőllősi, S. . Molnár, K. . Ladányi, L. . Karnai, and I. . Szűcs, “Cost analysis of pig slaughtering: A Hungarian case study”, APSTRACT, vol. 11, no. 3-4, pp. 121–129, Dec. 2017, doi: 10.19041/APSTRACT/2017/3-4/17.