WASET
    Michelle Zeyuan Ma and  Hermann Heilmeier,  Life Cycle-Based Analysis of Meat Production: Ecosystem Impacts.   journal   = {International Journal of Agricultural and Biosystems Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2018, vol. 137(5). 127 - 133
    [viewed 08 May 2024]. Available from: https://publications.waset.org/pdf/10008899.