Sri Lanka : sustainable energy authority
Sri lanka energy balance 2017 : an analysis of energy sector performance - Colombo Sri Lanka sustainable energy authority 1976 - xvii, 112 p.
9772386172008
Energy resources
333.7905493 / SRI
Sri lanka energy balance 2017 : an analysis of energy sector performance - Colombo Sri Lanka sustainable energy authority 1976 - xvii, 112 p.
9772386172008
Energy resources
333.7905493 / SRI