Hosseini Falehi, S. V.-A.; Jalali Varnamkhasti, M.; Mashhadizadeh, M.; Pourmiri, M. Designing a Structural Model for Implementing Maintenance 4.0 in Iran’s Oil and Gas Industry With a Sustainability-Oriented Approach. Int. J. Math. Model. Comput. 2025. https://doi.org/10.57647/ijm2c.2026.1604.23.