КОВШАР, О. В. A role of principles of the following and perspective is in organization of lifelong learning. Educational Dimension, Kryvyi Rih, Ukraine, v. 50, p. 176–185, 2017. DOI: 10.31812/pedag.v50i0.1301. Disponível em: https://journal.kdpu.edu.ua/ped/article/view/1301. Acesso em: 7 may. 2024.