(3LQGFe efUGJ ehGbY GdJhGUd GdGLJeGYj (B: s ((3OQGSI bGfhfjI ebGQfI(B) / s - (3GdOHc, QeRj QTOj, s ((3YeGf, GdGQOf (B: s (3OGQ GdZGjI ddfTQ, s, 2018)
(3jJVef GQLGYGJ HHdjhLQGajI (B: (3UaMI (B231-250.s
Keywords: (3GdGfJQfJs -- (3bhGfjf hJTQjYGJ(B.s; (3LQGFe GdMGSHGJ GdGdcJQhfjI(B.s