Sasanadhaja, R.; Dayananda, S.; Wimalasara, P.; Ekanayaka, M.P.
(Faculty of Arts & Culture, South Eastern University of Sri Lanka, 2017-01-17)
The environment is sum of all surroundings, living organisms, including natural forces and
other living beings. There is a deep relationship between beings‟ life and the environment.
As a part of environment human must ...