(3GdHJQhd hGdJYGhf GdYQHi GdCaQjbj (B/s - (3hgHi GdHhQi s ((3GdchjJ (B:s (3efXeI GdCbWGQ GdYQHjI GdeUOQI ddHJQhd (B,s, 1982)
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdefJLGJ (B- (3GdHJQhds