(3GdGeKGd ai GdfKQ GdYQHi GdbOje eY ebGQfJgG HfXGFQgG ai GdBOGH GdSGejI GdGNQi (B/ s - (3YGHOjf (B: (3YHO GdeLjO s ([(3GdbGgQI(B] : s (3ecJHI eUQ (B: s, 1956)
(3jTJed Ydi GQLGYGJ HHdjhLQGajI (B((3U (B[206] - 214) (3h cTGaGJs
Keywords: (3GdGeKGd GdYQHjIs -- (3JGQjN h fbOs; (3GdfKQ GdYQHis -- (3JGQjN h fbOs -- (3GdYUQ GdLGgdis