TY - GEN AU - De Silva, A.G.S. TI - Changing patterns of roof forms in contemporary urban houses ; an examination on the impact of primary forces PY - 2004///] KW - BUILT ENVIRONMENT-Project Reports KW - ARCHITECTURE - Project Reports KW - URBAN HOUSES N1 - An essay submitted to the Department of Architecture for the final exam in B.Sc. (Built Environment) ER -