A wonderful and creative project, I wish cooperation for its implementation in Egypt. Dr . Helalley Abdelhady Helalley Email: drhelalley@yahoo.com           : drhelalley@gmail.com mobil : 00201005201367

Published January 7, 2019 06:37 by Helalley Abdel Hady Helalley, Head of Alexandria Wastewater Treatment Plants at Alexandria Sanitary Drainage Company ( ASDCo)