Hamed Homaei and  Iraj Mahdavi and  Ali Tajdin,  Three-Stage Mining Metals Supply Chain Coordination and Product Quality Improvement with Revenue Sharing Contract.   journal   = {International Journal of Industrial and Manufacturing Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2018, vol. 133(1). 56 - 62
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/10008395.