Abdallah ELawady Abdou R. The effect of Touch Math multi-sensory program on teaching basic computation skills to young children identified as at risk for the acquisition of computation skills. AmazInv [Internet]. 21 de marzo de 2020 [citado 25 de noviembre de 2025];9(27):149-56. Disponible en: https://amazoniainvestiga.info/index.php/amazonia/article/view/1072