(3eLehYI GdeMGVQGJ GdJi CdbjJ ai GdYGe GdOQGSi GdKGfi (B/s - (3eYgO GdOQGSGJ GdeUQajIs ((3GdbGgQI(B:s (3GdeWHYI GdYGdejI(B,s, 1956)
(3jTed Ydi GQLGYGJ HHdjhLQGajIs
(3GdfU HGddZI GdYQHjIs
Keywords: (3GbJUGOjGJ GdeGd(B-(3GdeUGQas