Devapaksha, D. P. A. E.
Subjective evaluation of perceived sources of noise annoyance and associated ailments of teachers in selected Sinhala medium primary schools in the Attanagalla educational division - Kelaniya University of Kelaniya 2014 - vi, 55 p. 30 cm.
Research Project
Student Research Reports
Subjective evaluation of perceived sources of noise annoyance and associated ailments of teachers in selected Sinhala medium primary schools in the Attanagalla educational division - Kelaniya University of Kelaniya 2014 - vi, 55 p. 30 cm.
Research Project
Student Research Reports