1. Baker, R. (2016). Big data: A survey research perspective. Proceedings of Statistics Canada Symposium-Growth in Statistical Information: Challenges and Benefits. Retrieved from https://scholar.google.com/scholar?q=Big+data:+A+survey+research+perspective.&hl=en&as_sdt=0&as_vis=1&oi=scholart&sa=X&ved=0ahUKEwjptd-FgInWAhXK6iYKHRNNAhwQgQMIJDAA
2. Survey methods in educational research;M.Berends;Handbook of complementary methods in education research,2006
3. Bonometti, R. J., & Tang, J. (2007). A dynamic technique for conducting online survey-based research. CR, 16(2), 97-105.