(3agQS GdehVhYGJ GdcJGHjI eYfi GdWdGH ai ehGVjY GdcJGH (B/ s - (3OGQ GdKbGaI GdeSjMjIs ([S.N] : (3OGQ GdKbGaI GdeSjMjI , s, 1990)
Keywords: (3GdGfLjds