TY - BOOK ED - World Summit on Sustainable Development TI - Sri Lanka's middle path to sustainable development in the 21st century: national report of Sri Lanka SN - 9559120115 U1 - 338.95493 PY - 2002/// CY - Colombo PB - Ministry of Environment and Natural Resources KW - Sustainable development-Sri Lanka KW - Sustainable development N1 - PR ER -