Hemachandra Energy Developers (Pvt) Ltd. 2018-09-262018-09-262014-04https://dl-cea.nsf.gov.lk/handle/1/16638214enMini Hydro PowerProposed Hapugahakumbura‐ Walawa Mini Hydro Power Project at Balangoda in Ratnapura DistrictTechnical ReportMini Hydro PowerBatugammanaRatnapuraE00181