(3HGdSja GejQcG hGSQGFjd ai GdTQb GdGhSW (B1968(3e (B- 1986(3e (B/ s - (3eMeO MSfjf gjcds; (3eMehO RGjO (B((3eJQLe(B)s; (3SJjaf, ZQjfs
Keywords: (3GdhdGjGJ GdeJMOI GdGeQjcjIs; (3GdTQb GdGhSWs; (3GSQGFjds; (3MQH GdGSJfRGas