(3GdhLjR ai GdeGdjI GdYGeI(B.s ((3GdNUNUI(B-(3GdMGLGJ GdYGeI(B-(3GdehGRfI GdYGeI(B-(3GdfabGJ GdYGeI(B) s (3GdLRA GdChd (B/s - (3SjO Wg HOhi s ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI(B,s, 2020)
(3jTed Ydi GQLGYGJ HHdjhLQGajIs
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdeGdjI GdYGeIs