WASET
    M. Haj Seyed Hadi and  M. Darzi and  E. Sharifi Ashoorabadi,  Study The Effects of Conventional and Low Input Production System on Energy Efficiency of Silybum marianum L..   journal   = {International Journal of Agricultural and Biosystems Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2009, vol. 30(6). 289 - 291
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/13185.