Martha Liliana Reina Usuga and  Wilson Adarme Jaimes and  Oscar Eduardo Suarez,  Coordination on Agrifood Supply Chain.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2012, vol. 71(11). 2849 - 2853
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/6552.