Several Yavusa will belong to a certain land mass .
Several Yavusa comprise thereby the Vanua ( confederation of Yavusa ) Dr Asesela Ravuvu ( 1983 , p. 76 ) describes the Vanua as :
Several Yavusa will belong to a certain land mass and comprise thereby the Vanua ( confederation of Yavusa ) Dr Asesela Ravuvu ( 1983 , p. 76 ) describes the Vanua as :