<https://www.depa.gr/events/4th-international-conference-of-energy-harvesting-storage-and-transfer/>
<http://schema.org/image>
<https://www.depa.gr/events/4th-international-conference-of-energy-harvesting-storage-and-transfer/#primaryimage>
<https://www.depa.gr/events/4th-international-conference-of-energy-harvesting-storage-and-transfer/>