(3CHh gdGd GdYScQi hebGjjSg GdHdGZjI hGdfbOjI (B/s - (3WHGfg, HOhis ((3GdbGgQI (B((3eUQ(B) :s (3ecJHI GdGfLdh GdeUQjI,s, 1960)
(3jTJed Ydi GQLGYGJ HHdjhLQGajIs
(3O(B. (3LGHQ YUahQ ;s
Keywords: (3GddZI GdYQHjIs -- (3JQGLes; (3GddZhjhfs