Jayasinghe, J.A.K.S.Nishantha, G.G.D.2020-12-032020-12-032000Engineer, 31(1):p.10-19https://dl-iesl.nsf.gov.lk/handle/1/2636Engineering and TechnologyRailway technologyEngineering designLow cost bell and light protection system for unprotected railway level crossingArticle