BUHRIY, O. CONCEPT OF ACTIVITY APPROACH TO IMPROVEMENT EDUCATIONAL PROCESS. Educational Dimension, Kryvyi Rih, Ukraine, v. 5, p. 287–296, 2003. DOI: 10.31812/educdim.5182. Disponível em: https://journal.kdpu.edu.ua/ped/article/view/5182. Acesso em: 22 may. 2024.