BEGIN:VCALENDAR VERSION:2.0 PRODID:-//hacksw/handcal//NONSGML v1.0//EN TZ:+00 BEGIN:VEVENT DTSTART:20240630T000000Z DTEND:20240630T000000Z SUMMARY:7th International Congress on Water, Waste and Energy Management (WWEM-24): Oral abstract deadline due before 30th June 2024 LOCATION:ISEL – Instituto Superior de Engenharia de Lisboa ,Lisbon,Portugal END:VEVENT END:VCALENDAR