KREGŽDĖ, S. The diagnosis and formation of professional fitness from the point of view of the instrumental theory of purposefulness. Psichologija, [S. l.], v. 8, p. 3–10, 1988. DOI: 10.15388/Psichol.1988.8.9087. Disponível em: https://www.journals.vu.lt/psichologija/article/view/9087.. Acesso em: 8 may. 2024.