Change and consistency of self-esteem in early and middle adolescence in the context of school transition / Białecka-Pikul Marta , Stępień-Nycz Małgorzata , Sikorska Iwona , Topolewska-Siedzik Ewa, Cieciuch Jan // Journal of Youth and Adolescence. - 2019 vol. 48 no. 8, p. 1605-1618. - ISSN 0047-2891. - eISSN 1573-6601
Direct and indirect relationships between life satisfaction, values, and time perspectives : research on a sample of Polish students / Maciuszek Józef , Polczyk Romuald , Tucholska Kinga // Advances in Cognitive Psychology. - 2019 vol. 15 no. 2, p. 59-68. - eISSN 1895-1171. - http://www.ac-psych.org/en/issues
Selected predictors of the sense of intimacy in relationships of young adults / Czyżowska Dorota , Gurba Ewa , Czyżowska Natalia, Kalus Alicja, Sitnik-Warchulska Katarzyna , Izydorczyk Bernadetta // International Journal of Environmental Research and Public Health. - 2019 vol. 16 no. 22, p. 1-13. - ISSN 1661-7827. - eISSN 1660-4601. - https://www.mdpi.com/1660-4601/16/22/4447/htm