Pathirana, P. T. H.
Comparison of the effectiveness of the vocal hygiene program among primary school teachers with self- reported voice problems in the Matara educationa zone - Kelaniya University of Kelaniya 2018 - x, 56 p. 30 cm.
CORE 4443X Research Project
Student Research Reports
Comparison of the effectiveness of the vocal hygiene program among primary school teachers with self- reported voice problems in the Matara educationa zone - Kelaniya University of Kelaniya 2018 - x, 56 p. 30 cm.
CORE 4443X Research Project
Student Research Reports