(3TGFHI GdNWC ai GdMce GdLfGFj hfXQjI GdWYf bjg (B:s (3QSGdI ebOeI ddMUhd Ydi OQLI OcJhQ ai GdMbhb (B/s - (3eMeO Rci CHh YGeQs ((3GdGScfOQjI (B:s (3cdjI GdMbhb,s, 1970)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdbGfhf GdLfGFjs; (3CQcGf hTQhW GdCMcGe GdLfGFjIs