Yamil Gustavo Nares Feria

Yamil Gustavo Nares Feria Explains the Three Main Types of Survey Methodologies Yamil Gustavo Nares Feria

Yamil Gustavo Nares Feria Explains Survey Methodology Yamil Gustavo Nares Feria

Yamil Gustavo Nares Feria Talks About Designing a Survey Yamil Gustavo Nares Feria

Yamil Gustavo Nares Feria Looks at the New Social Media Research into Public Opinion Yamil Gustavo Nares Feria

Yamil Gustavo Nares Feria Discusses the Importance of Public Opinion Yamil Gustavo Nares Feria