@article {opatha1999related,
	title = {Related Theories, Styles and Added Value Concept of Labour-Management Relationship-A Literature Review},
	journal = {The Doctoral Colloquium},
	year = {1999},
	pages = {1{\textendash}7},
	publisher = {Graduate School, Universiti Utara Malaysia},
	author = {Opatha, HHDNP}
}
