Black, E., DiPietro, M., Ferdig, R., & Polling, N. (2009). Developing a Survey to Measure Best Practices of K-12 Online Instructors. Online Journal of Distance Learning Administration. https://oaks.kent.edu/node/3096
Black, Erik, Meredith DiPietro, Richard Ferdig, and Nathanial Polling. 2009. “Developing a Survey to Measure Best Practices of K-12 Online Instructors”. Online Journal of Distance Learning Administration. https://oaks.kent.edu/node/3096.
Black, E., M. DiPietro, R. Ferdig, and N. Polling. Developing a Survey to Measure Best Practices of K-12 Online Instructors. Online Journal of Distance Learning Administration, 1 Apr. 2009, https://oaks.kent.edu/node/3096.