Health Behavior and Health Education | Part Five, Chapter Twenty
Glanz, K., Rimer, B. K., & Viswanath, K. (Eds.). (2008). Health Behaviour and Health Education (4th ed.). Jossey-Bass. accessed June 17, 2022 from https://www.med.upenn.edu/hbhe4/part5-ch20.shtml#:~:text=The%20core%20concept%20of%20an,%2C%20physical%20environmental%2C%20and%20policy.