From before the campaign was found to have a survey students know motor bike pool number 8. Have students who do not know the motor bike. Pool number 32 people, and after the campaign have students know motor bike pool number 40 people.
From before the campaign was found to have a survey students know motor bike pool number 8. Have students who do not know the motor bike. Pool number 32 people, and after the campaign have students know motor bike pool number 40 people.