Aguiar, J., C.  Sin, and O.  Tavares. ?International Students? Experience Of Remote Teaching And Learning In Portugal During Covid-19?. Open Education Studies 5. Open Education Studies  (2023). doi:10.1515/edu-2022-0190.

Aguiar, J., C.  Sin, and L.  de Santis. ?International Student Mobility In Psychology: An Analysis Of Brazilian Students In Portuguese Higher Education.?. Trends In Psychology 31. Trends In Psychology  (2023).

Aguiar, J., C.  Sin, and L.  de Santis. ?International Student Mobility In Psychology: An Analysis Of Brazilian Students In Portuguese Higher Education.?. Trends In Psychology 31. Trends In Psychology  (2023).

Aguiar, J., Marisa  Matias, Elizabeth Joan Barhem, Anne Marie Fontaine, and Zilda Aparecida DEL PRETTE. ?An Initial Study Of The Internal Validity Of The Portuguese Adaptation Of The Marital Social- Skills Inventory?. Psychological Studies 35, no. 3. Psychological Studies  (2018): 275-285. http://dx.doi.org/10.1590/1982-02752018000300006.