Espada JP, Gonzálvez MT, Orgilés M, Lloret D, Guillén-Riquelme A. Meta-analysis of the effectiveness of school substance abuse prevention programs in Spain. PST [Internet]. 2015 Dec. 31 [cited 2026 Nov. 14];27(Número 1):5-12. Available from: https://reunido.uniovi.es/index.php/PST/article/view/10621