Perera, Romain Shanil
Dissanayake, Poruwalage Harsha
Senarath, Upul
Wijayaratne, Lalith Sirimevan
Karunanayake, Aranjan Lional
Dissanayake, Vajira Harshadeva Weerabaddana
Funding for this research was provided by:
University Grants Commission, Sri Lanka (UGC/ICD/2/RG2011/02/08)
University of Colombo, Sri Lanka (AP/3/2012/PG/03)