. (3JGQjN GdadSaI GdjhfGfjIs - . (3cQe, jhSas ((3HjQhJs (3OGQ Gdbdes, 1977)
(3eQGLY hbGehS GdGYdGe aj BNQ GdcJGHs
Keywords: (3GdadSaI GdjhfGfjIs -- (3JGQjNs