Alsalem, Zaher Hamad, Ramkumar Harikrishnakumar, Vatsal Maru, and Krishna Krishnan. 2019. “Optimal Supply Chain Network With Multi-Echelon”. Industrial and Systems Engineering Review 7 (2):102-15. https://doi.org/10.37266/ISER.2019v7i2.pp102-115.