(3LMG hGdeZQhQs - (3GdHdc, SjOs ((3GdbGgQIs (3efGgL GdWahdI ddfTQ hGdJhRjYs, 2017)
(3bUU acGgjIs
(3eJhaQ efg HJGQjN EjOGY (B2015 (3HecJHI eUQ GdYGeI GdQFjSjIs
(3eY (B: (3LMG hRhLJgs
21 23
Keywords: (3GdbUU GdacGgjIs