TY - GEN AU - Perera, E.J. Sunil AU - Mr. M. Ponnambalam TI - Environmental noise levels in the area of authority of G.C.E.C. at Katunayake investment promotion zone PY - 1985///] KW - MEng in Environmental Engineering N1 - TH108 UR - http://dl.lib.mrt.ac.lk/handle/123/131 ER -