(3HMhK h efGbTGJ GdOhQI GdJOQjHjI (B... / s - (3GdOhQI GdJOQjHjI GdEbdjejI ddJhLjg Gdegfj ddaJjGJ h GdfSGA (B(1989 : (3YeGf(B)s ((3YeGf (B:s (3hRGQI GdJQHjI hGdJYdje (B- (3eOjQjI TDhf GdWdHI GdjhfSch,s, 1989)
Keywords: (3GdJhLjg Gdegfjs; (3GdJYdje GdfShjs; (3GdJYdje Gdegfjs