Gunawardana, I.P.A.B.; Perera, R.A.S.A.; Amarasena, T.S.M.
(Faculty of Commerce and Management Studies, University of Kelaniya, 2021)
Six Sigma is a project-driven approach to improve the process by eliminating the defects, delays in the system. Modern organizations adopt the Six Sigma methodology to improve their processes in order to eliminate the ...