Nofrita, Riri, et al. “The Effect of Digital Talent on Individual Innovation Behavior, Skills of Revolution Industry 4.0 As Mediator Variables”. Jurnal Optimasi Sistem Industri, vol. 19, no. 2, Nov. 2020, pp. 133–143, http://josi.ft.unand.ac.id/index.php/josi/article/view/150.