N.W.C.P. Lanka. 2014. Initial environmental review and environmental management system for metal rock quarrying operations in western province, Sri Lanka. , Kasetsart University;
N.W.C.P. Lanka. (2014) Initial environmental review and environmental management system for metal rock quarrying operations in western province, Sri Lanka . Kasetsart University/Bangkok.
N.W.C.P. Lanka. Initial environmental review and environmental management system for metal rock quarrying operations in western province, Sri Lanka. . Bangkok:Kasetsart University, 2014.
N.W.C.P. Lanka. (2014) Initial environmental review and environmental management system for metal rock quarrying operations in western province, Sri Lanka . Kasetsart University/Bangkok.