Antonova, A. V., M. A. Chumakova, and I. Stanzione. “Educational Well-Being: Validation of a Questionnaire on Well-Being at School”. ITALIAN JOURNAL OF EDUCATIONAL RESEARCH, no. 16, Aug. 2016, pp. 85-102, https://ojs.pensamultimedia.it/index.php/sird/article/view/1777.