Sekhar, R. s. International traiing under world bank aided forestry research, education and extension (FREE) project field of study forest ecology and ecosystems: Training period 30th July to 26th Oct 2001. center for subtropical agroforestry school of forest resources and conservation.
Lua i Stíl Chicago (17ú heag.)Sekhar, Raja sugun. International Traiing Under World Bank Aided Forestry Research, Education and Extension (FREE) Project Field of Study Forest Ecology and Ecosystems: Training Period 30th July to 26th Oct 2001. U.S.A: center for subtropical agroforestry school of forest resources and conservation.
Lua MLA (9ú heag.)Sekhar, Raja sugun. International Traiing Under World Bank Aided Forestry Research, Education and Extension (FREE) Project Field of Study Forest Ecology and Ecosystems: Training Period 30th July to 26th Oct 2001. center for subtropical agroforestry school of forest resources and conservation.