PV Alahakoon, PK Perera, C Wijesundaraand KO Bandaranayaka.KNOWLEDGE AND ATTITUDES ON FIRST AID AMONG G.C.E. ADVANCED LEVEL STUDENTS IN GOVERNMENT SCHOOLS OF GAMPAHA EDUCATION ZONE, SRI LANKA, Post Graduate Institute of Science Research Congress 2018, University of Peradeniya, Sri Lanka, 2018. 11. 10.