نصور ر. . The Effect Of Using Class Activities On Developing Numerical Sense Skills Among Basic Seventh Graders (A semi-Empirical Study In The City Of Lattakia). Tishreen University Journal- Arts and Humanities Sciences Series, [S. l.], v. 42, n. 4, 2020. Disponível em: https://journal.tishreen.edu.sy/index.php/humlitr/article/view/9817. Acesso em: 22 jul. 2024.