Perera, K.K.Y.W.Munindradasa, D.A.I.2015-04-202015-04-202007Engineer, 40(4):p.154-159https://dl.nsf.gov.lk/handle/1/19271EnergyElectronic controllersLightsLight dependent electronic controllers for switching lampsArticleRG/2005/E/05FR 1585