1. Santos, G., L. Bravi and F. Murmura, 2017. SA 8000 as a Tool for a Sustainable Development Strategy. Corporate Social Responsibility Environ. Manage. J., 10.1002/csr.1442.
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2. Rebelo, M.F., G. Santos and R. Silva, 2017. The integration of standardized Management Systems: managing Business Risk. Int. J. Qual. Reliab. Manage., 34: 395-405.
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3. Rebelo, M.F., R. Silva, G. Santos and P. Mendes, 2016. Model Based Integration of Management Systems (MSs) - Case Study. TQM J., 28: 907-932.
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4. Rebelo, M.F., G. Santos and R. Silva, 2016. Integration of management systems: towards the sustained success and development of organizations. J. Cleaner Prod., 127: 96-111.
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5. Afonseca, J.A., G. Santos, N. Lopes, M. Doiro and M.R. Alves, 2016. Idea Management System - an essential component in the continuous improvement of quality and innovation. J. Global Econ. Manage. Bus. Res., 7: 41-51.
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6. Santos, G., M. Rebelo, N. Lopes, M.R. Alves and R. Silva, 2015. Implementing and certifying ISO 14001 in Portugal: motives, difficulties and benefits after ISO 9001 certification. Total Qual. Manage. Bus. Excelence, 27: 11-12.
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7. Rebelo, M.F., G. Santos and R. Silva, 2015. Integration of standardized management systems: A dilemma? Systems, 3: 45-59.
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8. Rebelo, M.F., G. Santos and R. Silva, 2015. Integrated management Systems; Critical Success factors. J. Global Econ. Manage. Bus. Res., 5: 109-114.
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9. Santos, G., B. da Costa and A. Leal, 2014. Isolation and Identification of Some Parasites Transmitted by Cockroach Blattella germanica in Al-Diwaniya City/ Iraq. Int. J. Eng. Sci. Technol., 6: 1-12.
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10. Rebelo, M.F., G. Santos and R. Silva, 2014. Integration of individualized management systems (MSs) as an aggregating factor of sustainable value for organizations: An overview through a review of the literature. J. Modern Accounting Auditing, 10: 356-383.
11. Rebelo, M.F., G. Santos and R. Silva, 2014. A methodology to develop the integration of the environmental management system with other standardized management systems. Computational Water Energy Environ. Eng., 3: 170-181.
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12. Rebelo, M., G. Santos and R. Silva, 2014. Conception of a flexible integrator and lean model for integrated management systems. Total Quality Manage. Bus. Excellence, 25: 683-701.
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13. Ferreira Rebelo, M., G. Santos and R. Silva, 2014. A generic model for integration of quality, environment and safety management systems. TQM J., 26: 143-159.
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14. Santos, G., S. Barros, F. Mendes and N. Lopes, 2013. The main benefits associated with health and safety management systems certification in Portuguese small and medium enterprises post quality management system certification. Saf. Sci., 51: 29-31.
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15. Santos, G., B. da Costa and A. Leal, 2012. The estimation of the return on firms` investments – as to ISO 9001. Int. J. Eng. Sci. Technol., 4: 46-57.
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16. Santos, G., F. Mendes and J. Barbosa, 2011. Certification and integration of management systems: the experience of Portuguese small and medium enterprises. J. Cleaner Prod., 19: 1965-1974.
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17. Santos, G. and J. Barbosa, 2006. Qualifound - a modular tool developed for Quality Improvement in Foundries. J. Manuf. Technol Manage., 17: 351-362.
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