(3GdgdGd eGQS (B1986 : (3GdYGde GdGSdGei UQGY hYfa hJhJQs ((3GdbGgQI (B: s (3OGQ GdgdGd ddWHGYI hGdfTQ , s, 1986)
Keywords: (3GdcJGHI GdYQHjIs; (3efXeI GdjhfSchs; (3YHOGdQMef GdTQbGhis; (3fLjH GdQjMGfis; (3efXeI GdGhHcs