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Pischke, C.R., Zeeb, H., van Hal, G., Vriesacker, B., McAlaney, J., Bewick, B.M., Akvardar, Y., Guillen-Grima, F., Orosova, O., Salonna, F., Kalina, O., Stock, C., Helmer, S.M. and Mikolajczyk, R.M., 2012.
A feasibility trial to examine the social norms approach for the prevention and reduction of licit and illicit drug use in European University and college students.
BMC Public Health, 12.