Perera P.K.P, Nanayakkara P.S.S., Marasinghe S.S., Bandara W.A.R.T.W., Prasadi H.L.A., and Perera
M.T.C., 2017. Impact of Sustainable Agriculture Network (SAN) Certification on Sri Lanka’s Tea Estates.
Center for Sustainability, University of Sri Jayewardenepura, Nugegoda, Sri Lanka.
Sri Lanka Energy Empowered Nation Research Findings
Research Journal of the Ministry of Power and Renewable Energy
December 2015 Volume 01, Number 01
Ministry of Power and Energy
June 2015 Volume 01
by Dr. P.N. Dayawansa