Ana Paula Lisboa Sohn and  Filipa Dionísio Vieria and  Nelson Casarotto and  Idaulo José Cunha,  Knowledge Transfer in Industrial Clusters.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2014, vol. 93(9). 2966 - 2971
    [viewed 10 December 2019]. Available from: https://publications.waset.org/pdf/9999334.