(3TQM bGfhf GdYbhHGJ Gdjefj (B:s (3WHbG deTQhYj bGfhf GdLQGFe hGdYbhHGJ GdTQYjI hGdbGfhf GdTQYj ddLQGFe hGdYbhHGJ (B/s (3GdLRA GdChd,s (3GdLQjeI(B. s - (3MSfi GdLfOis ((3Gdjef (B:s (3LGeYI UfYGA (B,s, 1988)
Keywords: (3GdbGfhf GdLfGFi(B.s