elets Smart City 2015 – Smart Energy and Sustainable Environment, GIS & Surveying for Smart Cities – Ritesh Arya, Director, Water & Geo Thermal Energy of International Sustainable Energy Organisation | elets Tv

elets Smart City 2015 - Smart Energy and Sustainable Environment, GIS & Surveying for Smart Cities - Ritesh Arya, Director, Water & Geo Thermal Energy of International Sustainable Energy Organisation

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