Rehman, S., Hamdan, Y.H. and Sindhu, M. 2024. Impact of Industry 4.0 on firms’ sustainable development in the GCC economies: a mediation and moderation approach . Brazilian Journal of Operations & Production Management. 21, 4 (Oct. 2024), 2166 . DOI:https://doi.org/10.14488/BJOPM.2166.2024.