interview and questionnaire and observations related to "sonatrach " Algerian Oil and gas company about the oil price and it impact on the econmy . Ps: I need interview and questionnaires and observations 3 of them.

interview and questionnaire and observations related to "sonatrach " Algerian Oil and gas company about the oil price and it impact on the economy . Ps: I need interview and questionnaires and observations 3 of them.