Haushofer, J., John, A., & Orkin, K. (2019). Can Simple Psychological Interventions Increase Preventive Health Investment? National Bureau of Economic Research.
Lua i Stíl Chicago (17ú heag.)Haushofer, J., A. John, agus K. Orkin. Can Simple Psychological Interventions Increase Preventive Health Investment? National Bureau of Economic Research, 2019.
Lua MLA (9ú heag.)Haushofer, J., et al. Can Simple Psychological Interventions Increase Preventive Health Investment? National Bureau of Economic Research, 2019.
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