1. Baepler, P., Walker, J. D., & Driessen, M. (2014). It’s not about seat time: Blending, flipping, and efficiency in active learning classrooms. Computers & Education, 78, 227–236.
2. Baepler, P., Walker, J. D., Brooks, D. C., Saichaie, K., & Petersen, C. I. (2016). A guide to teaching in the active learning classroom. Sterling: Stylus.
3. Barringer, D. F., Plummer, J. D., Kregenow, J., & Palma, C. (2018). Gamified approach to teaching introductory astronomy online. Physical Review Physics Education Research, 14(1), 010140.
4. Beichner, R. (2008). The SCALE-UP project: A student-centered active learning environment for undergraduate programs. An invited white paper for the National Academy of Sciences.
5. Beichner, R. J., Saul, J. M., Abbott, D. S., Morse, J. J., Deardorff, D., Allain, R. J., et al. (2007). The student-centered activities for large enrollment undergraduate programs (SCALE-UP) project. Research-based Reform of University Physics, 1(1), 2–39.