Editor in Chief: Dr. M. A. P. W. K. Malaviarachchi
EDITORIAL BOARD: Dr. S K Wasala, Dr. Padmini C Girihagama
ISBN NO: 978-955-9224-78-5
Editor in Chief: Dr Sumith Abeysiriwardena
Editorial Board:Dr. J.M. Seneviratne,Dr. Padmini C Girihagama
ISBN NO:978-955-9224-63-1
Editor in Chief: Prof.Hemanthi Ranasinghe
Editorial Board:Prof. D.K.N.G. Pushpakumara, Ms. R.M. Deepani Alawathugoda, Dr. Nimal Ruwanpathirana, Dr. U.K.L. Peiris, Mr. Mr. P. R. Attygalle
ISBN NO:978-955-9224-68-6
Editor in Chief:Dr. Oswin Perera
EDITORAL BOARD: Prof. N S B M Atapattu, Dr. T S P Jayaweera, Mr. D C A Kalubowila, Dr. U L P Mangalika, Mr. B P A Jayaweera, Dr. Frank Niranjan,
ISBN NO:978-955-9224-59-4
Editor in Chief: Prof. S. P. Nissanka
AUTHORS:Dr. Daya Wijewardena, Dr. Priyantha Weerasinghe, Dr. A. P. Heenkende, Dr. W. M. J. Bandara, Mr.Thilak Kariyawasam, Ms. Kumudu Herath, Ms. Chathurangá Daulagala
ISBN NO:978-955-9224-66-2
Editor in Chief: K M Mohotti and Shanika Jayasekera
AUTHORS:Prof. Buddhi MarambeMr. P T Bandara, Dr. M Dharmadasa, Dr. H T R Wijesekara, Dr. W R G Witharama, Dr T H S P Fernando, Mr. Athauda Jayawardena, Dr. S Jayasekara, Dr. K M Mohotti
ISBN NO:978-955-9224-76-1
Editor in Chief:Dr. Fredrick Abeyratne,
EDITORIAL BOARD: Prof. J Weerahewa, Miss. A P P Disna, Prof. L M Abeywickrama, Mr. T H C S Perera, Mr. J K M D Chandrasiri, Dr. I M S K Idirisinghe, Dr. Frank Niranjan,
ISBN NO:978-955-9224-61-7