Ranawaka, Patali Champika
Balaya saha balaya - [Colombo] Author 2014 - xv, 319p. : ill., col. photos.
Reference included ; Text in Sinhala
97895598843354
ENERGY
ENERGY RESOURCES
ENERGY CONSERVATION
ENERGY-Consumption
ENERGY MANAGEMENT
ENERGY RESOURCES-Sri Lanka
620.9 / R3
Balaya saha balaya - [Colombo] Author 2014 - xv, 319p. : ill., col. photos.
Reference included ; Text in Sinhala
97895598843354
ENERGY
ENERGY RESOURCES
ENERGY CONSERVATION
ENERGY-Consumption
ENERGY MANAGEMENT
ENERGY RESOURCES-Sri Lanka
620.9 / R3