BEGIN:VCALENDAR VERSION:2.0 PRODID:-//hacksw/handcal//NONSGML v1.0//EN TZ:+00 BEGIN:VEVENT DTSTART:20240430T000000Z DTEND:20240430T000000Z SUMMARY:3rd International Conference on Green Energy and Environmental Technology (GEET-24): Oral abstract deadline due before 30th April 2024 LOCATION:ISEL 鈥� Instituto Superior de Engenharia de Lisboa,LISBON,Portugal END:VEVENT END:VCALENDAR