Abd Al-Amer, A. N., & Dawod Al-Juboury, S. A. (2019). The Effect of Edelson’s Model in Developing Mathematical Interconnectivity skills and Achievement for Second- Grade Students in Mathematics. Opción, 35(89), 460-484. Recuperado a partir de https://mail.produccioncientificaluz.org/index.php/opcion/article/view/31019