TY  - GEN
AU  - Rathnayaka, M. S. M. 
AU  - Kalupahana, S.
TI  - Maximum phonation time (MPT) of healthy people in the Colombo district
PY  - 2017///
CY  - Kelaniya
PB  - University of Kelaniya
KW  - Student Research Reports
ER  -