@article {Nutbeam83, author = {D Nutbeam and C Smith and J Catford}, title = {Evaluation in health education. A review of progress, possibilities, and problems.}, volume = {44}, number = {2}, pages = {83--89}, year = {1990}, doi = {10.1136/jech.44.2.83}, publisher = {BMJ Publishing Group Ltd}, issn = {0143-005X}, URL = {https://jech.bmj.com/content/44/2/83}, eprint = {https://jech.bmj.com/content/44/2/83.full.pdf}, journal = {Journal of Epidemiology \& Community Health} }