(3GdehGbY GdYQHjI GdGSdGejI hJZWjJgG dbVGjG GdGSdGe GdeYGUQ (B/ s - (3MGeO, RjfH, s ((3GdbGgQI, eUQ (B: s (3GdYQHj ddfTQ hGdJhRjY, s, 2020)
(3jJVef GQLGYGJ HHdjhLQGajI (B: (3UaMI (B271-300.s
Keywords: (3GdGSdGe hGdGYdGe(B.s; (3ehGbY GdhjH(B.s