Psychometric Evaluation of the Short Self-Regulation Questionnaire across Three European Countries by René Šebeňa, Stefanie Helmer, Janina Petkeviciene, Andrea Lukacs, Ferdinand Salonna, Oľga Orosová, Rafael Mikolajczyk

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Licit and illicit substance use patterns among university students in Germany using cluster analysis by Laura Schilling, Hajo Zeeb, Claudia Pischke, Stefanie Helmer, Andrea Schmidt-Pokrzywniak, Ralf Reintjes, Ulla Walter, Maria Girbig, Alexander Krämer, Andrea Icks, Sven Schneider

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