W Wasono M, Leonardus, Elidjen ., Firdaus ., Alamsjah ., and Sasmoko . 2019. “Digital Transformation in the Age of Industry 4.0: Acceleration of Transformational Performance through Business Model Innovation and Co-Creation Strategy in Indonesia ICT Firm”. International Journal of Engineering & Technology 8 (1.10): 250-56. https://doi.org/10.14419/ijet.v8i1.10.28401.