Hutomo, Arry, Mohd Haizam Mohd Saudi, Ridzuan Masri, Ilham Sentosa, and Obsatar Sinaga. 2018. “The Mediating Roles of Block Chain Technology Practices on Green Supplier Development Process Towards Sustainability Performance: Indonesia Green Industry Level IV”. International Journal of Engineering & Technology 7 (4.34): 314-17. https://doi.org/10.14419/ijet.v7i4.34.25303.