28окт 2026 U tokuZakazanoProvereno 27. 9. 2026. 28. 10. 2026. – 30. 10. 2026. 27th WaterNet/WARFSA/GWP-SA Symposium 2026 Arusha, Tanzania · Mount Meru Hotel Environment & Clean TechnologyWater & WastewaterResearch & Innovation