M. E. Silva and  I. Brás,  Co-Composting of Poultry Manure with Different Organic Amendments .   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2016, vol. 116(8). 848 - 852
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10005162.