(3GdJdHS HGdLQjeI (B:s (3JYQja GdLQjeI GdefJdHS HgG (B- (3MGdGJ GdJdHS hNUGFUI HGdfSHI dcGaI GdLQGFe aj bGfhf GdYbhHGJ (B/s - (3YOdj Ndjd(B.s ((3GdbGgQI (B: s (3OGQ GdfgVI GdYQHjI,s, 1989)
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdJdHS HGdLQjeIs; (3GdbGfhf GdLfGFjs; (3bGfhf GdYbhHGJs