(3GdMeGjI GdLfGFjI dCedGc GdOhdI GdYbGQjI (B:s (3OQGSI JWHjbjI (B/s - (3eMeO LHQjd EHQGgjes ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI ddfTQ hGdJhRjY ,s, 2021)
. 448-435(3HHdjhLQGajG(B: (3UaMGJ(B.s
(3jTJed Ydi EQLGYGJ HHdjhLQGajIs
Keywords: (3GdELQGAGJ GdLfGFjIs; (3GdMeGjI GdLfGFjI deUGdM CNQis; (3GdbGfhf GdLfGFjs