(3TQM bGfhf GdYbhHGJ GdbSe GdNGU (B:s (3GdQThI (B- (3GNJdGS GdeGd GdYGe (B- (3LQGFe GdJRhjQ (B- (3GdLQGFe GdJj JbY Ydi GdCTNGU (B- (3LQGFe GdCehGd (B- (3LQGFe GdeNOQGJ (B- (3GdJTQO hGdGTJHGg (B/s - (3eMehO eMehO eUWais ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI(B,s, 1984)
(3jTJed Ydi GQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdbGfhf GdLfGFjs; (3bGfhf GdYbhHGJ GdbSe GdNGUs