TY  - GEN
AU  - Danthanarayana, N. D. 
AU  - Illeperuma, D. 
TI  - Awareness on excessive noise exposure , hearing protection and situations, perceived systems of noise exposure among grade 12 students of a selected government school in Colombo district
PY  - 2014///
CY  - Kelaniya
PB  - University of Kelaniya
KW  - Student Research Reports
N1  - Research Project
ER  -