(3GdfXe GdSjGSjI (B:s (3GdOhdI hGdMcheI (B/s - (3eMeO cGed djdIs ((3GdbGgQI (B:s (3OGQ GdacQ GdYQHi(B,s, 1970)
(3jTJed Ydi EQLGYGJ HHdjhLQGajIs
(3GdfU CZdHg HGddZI GdYQHjI HYV GdfUhU GdEfLdjRjI hGdaQfSjIs
Keywords: (3GdbGfhf GdOSJhQjs; (3GdfXe GdSjGSjIs