(3GdEQgGH hGdJfejI GdHTQjI aj GdHdOGf GdYQHjI (B/s - (3GdeYehQj, UGOb LHQs ((3YeGf, GdCQOf (B:s (3OGQ GdQVhGf ddfTQ hGdJhRjY,s, 2020)
(3eTJQjGJ eYQV GdbGgQI GdOhdj ddcJGH (B2020.s
(3jTJed Ydi HHdjhLQGajI(B.s
Keywords: (3GdEQgGHs -- (3LhGfH GLJeGYjIs -- (3GdHdGO GdYQHjIs; (3GdJfejI GdHTQjIs -- (3GdHdGO GdYQHjIs