1. Addison, M., Stockdale, K., McGovern, R., McGovern, W., McKinnin, I., Crowe, L., Hogan, L., & Kaner, E. (2018). Exploring the intersections between novel psychoactive substances (NPS) and other substance use in a police custody suite setting in the north east of England. Drugs: Education, Prevention and Policy, 25(4), 313–319. https://doi.org/10.1080/09687637.2017.1378620.
2. Aires, L. (2016). E-learning, online education and open education: a contribution to a theoretical approach. Revista Iberoamericana de Educación a Distancia, 19(1), 253–269.
3. Aires, L., Teixeira, A., Azevedo, J., Gaspar, M. I., & Silva, S. (2006). Alterity and emotions in virtual Learning communities. Revista Electrónica Teoría de la Educación. Educación y Cultura en la Sociedad de la Información, 7(2), 74–91.
4. Benschop, A., Bujalski, M., Dabrowska, K., Demetrovics, Z., Egger, D., Felinczi, K., Henriques, S., Kalo, Z., Kamphausen, G., Korf, D. J., Nabben, T., Silva, J. P., Van Hout, M. C., Werse, B., Wells, J., Wieczorek, L., & Wouters, M. (2017). New psychoactive substances: transnational project on different user groups, user characteristics, extent and patterns of use, market dynamics, and best practices in prevention (NPS-transnational project; HOME/2014/JDRU/AG/DRUG/7077). In Final Report. Amsterdam: Bonger Institute of Criminology, University of Amsterdam.
5. Benschop, A., Róbert, U., Kapitány-Fövény, M., Van Hout, M. C., Dąbrowska, K., Felvinczi, K., Hearne, E., Henriques, S., Kaló, Z., Kamphausen, G., Silva, J. P., Wieczorek, Ł., Werse, B., Bujalski, M., Korf, D., & Demetrovics, Z. (2020). Why do people use new psychoactive substances? Development of a new measurement tool in six European countries. Journal of Psychopharmacology, 34, 1–12. https://doi.org/10.1177/0269881120904951.