(3VhGHW GdYbO aj Gdabg GdESdGej (B/s - (3GdJQceGfj, YOfGf NGdOs ((3LOI, GdSYhOjI (B:s (3ecJHI OGQ GdeWHhYGJ GdMOjKI,s, 1992)
Keywords: (3GdYbhO (B((3abg ESdGej(B)s