関連ワード:
give example of primary secondary and tertiary sector 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 give one example each of primary secondary and tertiary sector give example of interdependence between primary secondary and tertiary sector give examples of activities for primary secondary and tertiary sectors examples of primary secondary and tertiary sector class 10 give an example each of primary secondary and tertiary sector
