Chaikovska, Hanna, Iryna Levchyk, Mykola Fedoruts, Vira Polishchuk, and Oksana Mazur. 2023. “Development of Social Competence in High School Students in the Context of Non-Formal Education”. Acta Paedagogica Vilnensia 51 (December): 178–198. https://doi.org/10.15388/ActPaed.2023.51.11.