JACIKEVIČIENĖ , O. Some peculiarities of forming independent cooperation in the acitivities of senior preschoolers. Psichologija, [S. l.], v. 7, p. 6–18, 1987. DOI: 10.15388/Psichol.1987.7.9105. Disponível em: https://www.journals.vu.lt/psichologija/article/view/9105. Acesso em: 4 jan. 2026.