ТВЕРЕЗОВСЬКА, Н. Т.; ТАРНАВСЬКА, Т. В. Understanding the concept of "system" in various fields of scientific knowledge. Educational Dimension, Kryvyi Rih, Ukraine, v. 35, p. 320–331, 2012. DOI: 10.31812/educdim.v35i0.3553. Disponível em: https://journal.kdpu.edu.ua/ped/article/view/3553. Acesso em: 22 jul. 2024.