(3GdOcJhQ Ydi GHQGgje (B: (3jO ef MOjO hjO ef MQjQ (B/ s - (3eMeO eMeO GdLhGOis ((3GdbGgQI (B: s (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1986)
Keywords: (3GdWHs; (3GdLQGMIs; (3Ydi GHQGgjes