Circular Letter Number 2 of 2021 Concerning the Implementation of the Provision and Utilization of Infiltration Wells and/or Biopore Infiltration in Buildings Throughout the City of Malang to Reduce the Risk of Flooding
Circular Letter Number 2 of 2021 Concerning the Implementation of the Provision and Utilization of Infiltration Wells and/or Biopore Infiltration in Buildings Throughout the City of Malang to Reduce the Risk of Flooding