TY  - GEN
AU  - Dharmathilake, R. M. L. N. 
AU  - Samaraweera, B. 
TI  - Establish the prevalence of risk factors, level of knowledge and actions taken to reduce risk factors, of voice problems in primary school teachers
PY  - 2014///
CY  - Kelaniya
PB  - University of Kelaniya
KW  - Student Research Reports
N1  - Research Project
ER  -