Αντύπα Α.; Πιτσούνης Κ. Ο αριθμός π=3,14. Open Schools Journal for Open Science, [S. l.], v. 3, n. 6, 2020. DOI: 10.12681/osj.24311. Disponível em: https://ejournals.epublishing.ekt.gr/index.php/openschoolsjournal/article/view/24311. Acesso em: 4 oct. 2024.