Chandranath, T.L.Wirasinghe, C.V.R.Devotta, J.B.X.2020-08-282020-08-281977Engineer, 5(1):p.42-46https://dl-iesl.nsf.gov.lk/handle/1/2325Engineering and TechnologyFeedback control systemComputer softwareAutomatic controlElectrical engineeringRoot-Loci plot by digital computerArticle