@book{19464, author = {Illangarathne, Samantha Sisira Kumara Perera and Dr. (Mrs.) Olga Gunapala}, title = {Development of extrusion technology of breathable film for industrial applications}, year = {[2008]}, note = {TH1855 }, url = {http://dl.lib.mrt.ac.lk/handle/123/1877} }