NATIONAL RESEARCH PRIORITIES

Editor in Chief: Mr. K N Yapa

Editorial Board:Dr. Chalinda Beneragama, Prof. Sriyanie Peiris

ISBN NO: 978-955-9224-64-8

Editor in Chief: Prof. U S Amarasinghe

Editorial Board:Prof. Mrs. S. Kuganathan,Dr. Mrs. Sepalika Jayamanne,Dr. H M Palitha Kithsiri,Dr. R A Maithreepala,Dr. Frank Niranjan

ISBN NO: 978-955-9224-60-0

committee members:Prof M A R V Fernando,Prof P L G Alwis,Dr M A Wijeratne,Dr Sumith Senarathna,Dr Wasantha Seneviratne,Mr Ranjith Rajapakse,Eng W K R Peiris,Mr K H Dimuthu Abeyratne,Eng H M A P Rathnayake,Mr Priyananda Dissanayake,Eng G A M A Wijethunga,Mr Sameera S Dissanayake

ISBN NO: 978-955-9224-62-4

Editor in Chief: Dr. S A C N Perera

Editorial Board:Dr. W L G Samarasinghe,Dr Padmini C Girihagama

ISSN NO: 1391-8672

Editor in Chief: Dr. Ajantha De Silva

Editorial Board:Dr. N D R Weerawardena,Ms. Priyangi Jayasinghe,

ISBN NO: 978-955-9224-65-5