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APA Citation
Moore, G. F., Evans, R. E., Hawkins, J., Littlecott, H., Melendez-Torres, G., Bonell, C., & Murphy, S. (n.d.). from complex social interventions to interventions in complex social systems: Future directions and unresolved questions for intervention development and evaluation. Evaluation, 25, 23–45. http://access.bl.uk/ark:/81055/vdc_100077028242.0x000006