Collaborators

	Berta Barquero Faculty at Facultat de Formació del Professorat de la Universitat de Barcelona Doctor in Mathematics orcid.org/0000-0001-7228-6210		Yves Chevallard Emeritus Professor at la Aix-Marseille Université (France)
	Avenilde Romo Researcher at CICATA-IPM (Mexico) Doctor in Mathematics Education