Maric, Filip, Margherita Paola Poto, and Giuliana Panieri. “How deep is the ocean?”. Translated by Olena Peftieva. Septentrio Educational, no. 3 (November 17, 2023): 72–75. Accessed April 21, 2026. https://septentrio.uit.no/index.php/SapEdu/article/view/7251.