Samaraweera, M.K.; Wijeratne, M.
(Faculty of Technological Studies, University of Vavuniya, 2022-10-04)
Sri Lankan tea industry plays a major role in the Sri Lankan economy being one of the important sectors as a foreign exchange earner (SLRs. 240.6 billion in 2019) while providing employment opportunities for 400,000 families. ...