(3WehMhf hdcf(B! : s (3GdTHGH GdYQGbj Hjf GdhGbY hGdWehM (B/ s - (3GdRGedj, jMji cQje, s ([(3ecGf GdfTQ ZjQ eMOO(B] : s [(3GdfGTQ ZjQ eMOO(B](3, s, 2021)
(3jJVef GQLGYGJ HHdjhLQGajI (B: (3UaMI (B244-255.s
Keywords: (3GdTHGHs -- (3GdGMhGd GdGbJUGOjIs -- (3GdYQGb(B.s; (3GdTHGHs -- (3GdGMhGd GdGLJeGYjIs -- (3GdYQGb(B.s