関連ワード:
give an example of primary secondary and tertiary sector give an example each of primary secondary and tertiary sector give an example of interdependence between primary secondary and tertiary sectors give an example of independence between primary secondary and tertiary sector give an example of interdependence between primary secondary and tertiary sectors flow diagram give an example of interdependence between primary secondary and tertiary sectors class 6 give one example of primary secondary and tertiary sector give one example of primary secondary and tertiary sector business activity give two example of primary secondary and tertiary sector give some examples of primary secondary and tertiary sector
