Castellini, Antonella, and Alfia Lucia Fazzino. “Star Polygons. And Beyond. Path to a Vertical Curriculum in the First Cycle of Education”. Experiences of Teaching with Mathematics, Sciences and Technology 3, no. 3 (July 30, 2018): 527-538. Accessed June 18, 2019. https://www.edimast.it/index.php/edimast/article/view/55.