UDOVENKO, O. Drawing drupes as a means of development of spatial thinking. Educational Dimension, Kryvyi Rih, Ukraine, v. 26, p. 348–351, 2009. DOI: 10.31812/educdim.7042. Disponível em: https://journal.kdpu.edu.ua/ped/article/view/7042. Acesso em: 25 aug. 2024.