TY - GEN AU - Manjula, W. A. K. T. AU - Fonseka, R. TI - Proposition of tinnitus and its characteristics among the workers of the liquefied petroleum gas(LPG) cylinder infusion factory in Biyagama zone, Sri Lanka PY - 2014/// CY - Kelaniya PB - University of Kelaniya KW - Student Research Reports N1 - Research Project ER -