TY - GEN AU - Herder, Dolf ED - Rentray TI - Is peer education an effective means within a judicial institution? : And, if so, which peers have to give this information? Drug users or non-users? CY - Rekken PB - Rentray KW - drugs KW - justitiabele druggebruikers KW - peer support KW - preventie N1 - Jaar van uitgave onbekend ER -