[
About GRI. (2017). Retrieved December 24, 2019, from https://www.globalreporting.org/Information/about-gri/Pages/default.aspx.
]Search in Google Scholar
[
About the Sustainable Development Goals - United Nations Sustainable Development. (2015). Retrieved December 24, 2019, from https://www.un.org/sustainabledevelopment/sustainable-development-goals/.
]Search in Google Scholar
[
CSR Orange Environmental 2018. (2018). Retrieved December 24, 2019, from https://csrdatas.orange.com/downloads/2018-CSR_Orange-environmental-en.pdf.
]Search in Google Scholar
[
Deutsche Telekom Corporate Responsibility Report 2018. (2018). Retrieved December 24, 2019, from https://www.cr-report.telekom.com/site19/sites/default/files/pdf/cr_en_2018_dt_final.pdf.
]Search in Google Scholar
[
Domazet, I., Zubovic, J., & Lazic, M. (2018). Driving factors of Serbian competitiveness: Digital economy and ICT. Strategic Management, 23(2), 20-28.10.5937/StraMan1801020D
]Search in Google Scholar
[
GRI 302: ENERGY 2016 - Global Reporting Initiative. (2016). Retrieved December 24, 2019, from https://www.globalreporting.org/standards/media/1009/gri-302-energy-2016.pdf.
]Search in Google Scholar
[
GRI 305: EMISSIONS 2016 - Global Reporting Initiative. (2016). Retrieved December 24, 2019, from https://www.globalreporting.org/standards/media/1012/gri-305-emissions-2016.pdf.
]Search in Google Scholar
[
Ikebe, H., Yamashita, N., & Nishii, R. (2007). Green energy for telecommunications. INTELEC 07 - 29th International Telecommunications Energy Conference. doi: 10.1109/intlec.2007.444888210.1109/INTLEC.2007.4448882
]Search in Google Scholar
[
Luca, L. (2016). A new model of Ishikawa diagram for quality assessment. IOP Conference Series: Materials Science and Engineering, 161. doi: 10.1088/1757-899x/161/1/01209910.1088/1757-899X/161/1/012099
]Search in Google Scholar
[
Non-financial reporting. (2019). Retrieved December 24, 2019, from https://ec.europa.eu/info/business-economy-euro/company-reporting-and-auditing/company-reporting/non-financial-reporting_en.
]Search in Google Scholar
[
Paunescu, C., Popescu, M.C., & Blid, I. (2018). Business impact analysis for business continuity: Evidence from Romanian entreprises on critical functions. Management & Marketing. Challenges for the Knowledge Society, 13(3), 1035-1050.
]Search in Google Scholar
[
Rezaee, Z., & Fogarty, T. (2019). Business sustainability, corporate governance, and organizational ethics. Hoboken, NJ: John Wiley and Sons, Inc.
]Search in Google Scholar
[
Sivarajan S., Manikandan S., Rajeshkumar T., Ranadheer Reddy R. (2019). Recent Analysis of Green Energy Technology (GET) for Telecom Applications. International Journal of Recent Technology and Engineering Regular Issue, 8(4), 1326–1332. doi: 10.35940/ijrte.d7155.11841910.35940/ijrte.D7155.118419
]Search in Google Scholar
[
Sutherland, E. (2016). Corporate social responsibility: the case of the telecommunications sector. Info, 18(5), 24–44. doi: 10.1108/info-05-2016-002210.1108/info-05-2016-0022
]Search in Google Scholar
[
Telecommunications Process Classification Framework. (2017). Retrieved December 24, 2019, from http://ldmc.com.br/wp-content/uploads/2017/03/PCF-Telecom-Ver_5.0.2.pdf.
]Search in Google Scholar
[
The Method of Pairwise Comparisons. (2019). Retrieved December 24, 2019, from http://jlmartin.faculty.ku.edu/~jlmartin/courses/math105-F11/Lectures/chapter1-part4.pdf
]Search in Google Scholar
[
Vodafone IoT. (2017). Retrieved December 24, 2019, from https://iot.vodafone.ro/serviciu-nbiot.php.
]Search in Google Scholar
[
Vodafone Sustainable Business Report 2018. (2018). Retrieved December 24, 2019, from https://www.vodafone.com/content/dam/vodcom/sustainability/pdfs/sustainablebusiness2018.pdf.
]Search in Google Scholar
[
Vodafone Sustainable Business Report 2019. (2019). Retrieved December 24, 2019, from https://www.vodafone.com/content/dam/vodcom/sustainability/pdfs/sustainablebusiness2019.pdf.
]Search in Google Scholar
