(3MeGjI GdGbdjGJ aj VhA GdbGfhf GdOhdj (B/ s - (3ahQGQ GdYjOj, LeGd, s ((3GdGScfOQjI (B[(3eUQ(B] : s (3OGQ GdLGeYI GdLOjOI, s, 2018)
(3jJVef edGMb(B.s
(3jJVef GQLGYGJ HHdjhLQGajI (B: (3UaMI (B233-239.s
Keywords: (3GdGbdjGJs -- (3bhGfjf hJTQjYGJ(B.s; (3GdGbdjGJ (B((3bGfhf Ohdj(B)s; (3Mbhb GdGfSGf (B((3bGfhf Ohdj(B)s