P De Silva
P De Silva
Habitat ( 13) 13 -18
P De Silva
The Institution of Engineers: Colombo
P De Silva
Upali Newspapers Limited: Colombo
P De Silva
Institute of Fundamental Studies, Kandy
P De Silva
Permanent Way Institution Journal 103 227 -34
TK Nimal , P De Silva
157 -166
J. Weerasena , P. de Silva , R.S. Dassanayake , Y.I.N.S. Gunawardene
Sri Lanka Association for the Advancement of Science
A. Manamperi , C. Ekanayaka , P. de Silva , O.V.D.S.J. Weerasena
Sri Lanka Association for the Advancement of Science
P. de Silva , P. Rannulu , W.S. Fernando
Sri Lanka College of Obstetricians and Gynaecologists
P. de Silva , A. Pathirana , V. Abeysuriya
The Kandy Society of Medicine
L. Gamlath , S. Nandasena , P. de Silva , S. Morrell
BMC Cardiovascular Disorders 20 ( 1) 1 -17
Y. M. Wickramasinghe , P. H. G. J. de Silva , D. C. A. Kalubowila
XVII International Congress on Animal Hygiene 2015, "Animal Hygiene and Welfare in Livestock Production - The First Step to Food Hygiene", Proceedings, June 7-11, 2015, Košice, Slovakia 69 -75
P. H. G. J. de Silva , D. C. A. Kalubowila
XVII International Congress on Animal Hygiene 2015, "Animal Hygiene and Welfare in Livestock Production - The First Step to Food Hygiene", Proceedings, June 7-11, 2015, Košice, Slovakia 112 -114
D. C. A. Kalubowila , P. H. G. J. de Silva
XVII International Congress on Animal Hygiene 2015, "Animal Hygiene and Welfare in Livestock Production - The First Step to Food Hygiene", Proceedings, June 7-11, 2015, Košice, Slovakia 41 -43
P. H. A. U. de Silva , R. J. Froud-Williams
IXe Colloque international sur la biologie des mauvaises herbes, 16-18 September 1992, Dijon, France. 447 -456
Hmgl Jayawardena , Pic Peelikumbura , Kcc De Silva , L Abeysiri
Proceedings of International HR Conference 3 ( 1)