Derickx, KatleenKatleenDerickxvan Roozendaal, HannaHannavan RoozendaalPonnet, KoenKoenPonnetDeforche, BenedicteBenedicteDeforcheThienpondt, AnneliesAnneliesThienpondtVan Hal, GuidoGuidoVan Hal2025-06-132025-06-132025-JUN 60778-7367WOS:001504285000004https://imec-publications.be/handle/20.500.12860/45799Outcome and process evaluation of a social norms approach intervention on nonmedical use of prescription stimulants for study performance among Flemish university students: a quasi-experimental studyJournal article10.1186/s13690-025-01603-6WOS:001504285000004PERCEIVED PEER USEACADEMIC-PERFORMANCEALCOHOL-USEATTITUDESVALIDITYMEDLINE:40481595