<iframe src="https://pod.univ-st-etienne.fr/video/0975-excel_traction_calcul_references_absolues/?is_iframe=true" width="640" height="360" style="padding: 0; margin: 0; border:0" allowfullscreen loading='lazy'></iframe> POD-UJM https://pod.univ-st-etienne.fr/videos/?owner=motyl 360 https://pod.univ-st-etienne.fr video 640 1.0 Guy Motyl