Crutzen, R. (2010). Adding effect sizes to a systematic review on interventions for promoting physical activity among European teenagers. BioMed Central.
Chicago-tyylinen lähdeviittausCrutzen, Rik. Adding Effect Sizes to a Systematic Review On Interventions for Promoting Physical Activity Among European Teenagers. BioMed Central, 2010.
MLA-viiteCrutzen, Rik. Adding Effect Sizes to a Systematic Review On Interventions for Promoting Physical Activity Among European Teenagers. BioMed Central, 2010.
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