Karunaratna, D.D.R.M.Dharmadasa, R.A.P.I.S.Rathnayaka, R.M.S.D.Edirisinghe, E.A.J.K.2015-07-072015-07-072014Karunaratna, D.D.R.M., Dharmadasa, R.A.P.I.S., Rathnayaka, R.M.S.D. and Edirisinghe, E.A.J.K. (2014). Determinants of Net Sale Average (NSA) of orthodox black tea factories in high elevation, Sri Lanka, Kelaniya Journal of Management, University of Kelaniya, 03(01): 63-85.2279-1469http://repository.kln.ac.lk/handle/123456789/8695enArticle