Ecological models of health behavior. Sallis, J. Health Behavior and Health Education: Theory, Research, and Practice, 4:465–485, 2008.
bibtex   
@article{sallis_ecological_2008,
	title = {Ecological models of health behavior},
	volume = {4},
	journal = {Health Behavior and Health Education: Theory, Research, and Practice},
	author = {Sallis, J.F.},
	year = {2008},
	pages = {465--485},
}

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