Trulli the little water drop, 3rd edition 2016
This is the first part of a story telling the adventures of Trulli, the little water drop, who takes preschool and primary school children for a ride through his universe
€1.27*
Plain talking - Wastewater concerns everyone: Origin, discharge and treatment - 2nd edition 2018
This brochure does not only report on water use, water discharge and water treatment but also depicts how each of us can actively contribute to protect the valuable resource named water.
€1.62*