Politis, Christopher E, Michelle H Halligan, Deb Keen, and Jon F Kerner. “Supporting the Diffusion of Healthy Public Policy in Canada: The Prevention Policies Directory”. Online Journal of Public Health Informatics 6, no. 2 (October 16, 2014). Accessed August 19, 2022. https://ojphi.org/ojs/index.php/ojphi/article/view/5372.