[1]
A. Matos and J. P. Da Ponte, “THE STUDY OF FUNCTIONAL RELATIONSHIPS AND THE DEVELOPMENT OF THE CONCEPT OF VARIABLE IN 8TH GRADE STUDENTS”, RELIME, vol. 11, no. 2, pp. 195–231, May 2008, Accessed: Sep. 21, 2026. Available: https://relime.org/index.php/relime/article/view/352