Lestari, Setyani Dwi, and Brantas Juwana. “The Effect of Organisation Structure, Competency and Innovation on Firm Performance in The Era of Industry 4.0”. International Journal of Organizational Business Excellence, vol. 4, no. 1, July 2021, pp. 1-8, https://journal.binus.ac.id/index.php/ijobex/article/view/7541.