TY - GEN AU - Samaranayake, J.B. TI - The problems and prospects of establishing informal economic activities in heritage cities : a study on three historic sites in Sri Lanka KW - HISTORICISM KW - HERITAGE CITIES-ECONOMIC ACTIVITY KW - MSc in Architecture N1 - TH682 UR - http://dl.lib.mrt.ac.lk/handle/123/1208 ER -