(3GdGSJKeGQ GdCLfHi h GdeTJQc h aQhY h ecGJH JeKjd GdTQcGJ GdCLfHjI ai eUQ (B/s - (3YHO GdMce eMeO YKeGf s ((3GdbGgQI (B:s (3ecJHI SjO YHO Gddg hgHI (B,s, 1988)
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdeGdjI GdYGeI hGdJTQjY GdVQjHjs; (3GdGSJKeGQ s