شطيطح محمد; طالبي محمد الطاهر; حازي محمد; بوضياف محمد. The use of experimental approach and the semiotic mediation, To process mathematical Situations in a digital environment. (The composite of two central symmetries as an example): تاريخ الاستلام: 13/02/2020 تاريخ القبول: 27/10/2020. Human Resources Development Research, [S. l.], v. 16, n. 04, p. 690–712, 2021. Disponível em: https://rdrh.univ-setif2.dz/index.php/rdrh/article/view/418. Acesso em: 2 nov. 2026.