関連ワード:
some examples of primary secondary and tertiary sector give two examples of primary secondary and tertiary sector give 5 examples of primary secondary and tertiary sector each give one example of primary secondary and tertiary sector give one example of primary secondary and tertiary sector business activity what are the examples of primary secondary and tertiary sector give example of interdependence between primary secondary and tertiary sector examples of primary secondary and tertiary sector class 10 give one example each of primary secondary and tertiary sector give an example each of primary secondary and tertiary sector
