(3GdbQf GdNGeS YTQ GdgLQj aj VhA GdJGQjN hGdhGbY (B:s (3OQGSI YejbI ddJGQjN , GSJYQGV Cejf ddhGbY , h efgL TGed ddYed GdGSdGej (B/s - (3CHh GdMSf Ydj GdMSfj GdfOhis ((3dcgfh, GdgfO (B:s (3GdeLeY GdGSdGej GdYdej (B((3fOhI GdYdeGA(B)(3,s, 1981)
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdOYhI hGdOYGIs