J. Krupanek, B. Michaliszyn-Gabryś, and M. Moreno, “ENVIRONMENTAL PERFORMANCE OF PIG MEAT PRODUCTS AND IMPROVEMENT OPPORTUNITIES. CASE STUDY FROM SPAIN”, EiS, vol. 79, no. 4, Jan. 2022, doi: 10.34659/https://doi.org/10.34659/2021/4/36.