IMPROVEMENT OF ENERGY EFFICIENCY IN THE STREET LIGHTING SYSTEM OF THE COLOMBO CITY H.K. ILLEPERUMA H.R.P. WANNIARACHCHI SRI LANKA ENERGY MANAGERS ASSOCIATION.
Hazardous Effects of Cyprus Mining Corporation (CMC) and Consumption Risks of Cress, Lettuce, Radish and Spinach Irrigated with the Water of CMC Tailing.
