TY - GEN AU - Perera, K.L.P.D. AU - Dr. (Mrs.) M.T.P. Hettiarachchi AU - Dr. A.D.C. Jayanandana TI - Optimum design of steel portal frame structures KW - CIVIL ENGINEERING-Thesis KW - STEEL STRUCTUTES-Structural Design KW - MEng in Structural Engineering Design N1 - TH615 UR - http://dl.lib.mrt.ac.lk/handle/123/1170 ER -