Needs analysis of students’ mental model representation through visualisation to support SDGs 4: A preliminary studyMohd Zaidi Bin Amiruddin, Achmad Samsudin, Andi Suhandi, Suliyanah, Bayram Costu and Muhammad Guntur PurwantoE3S Web Conf., 513 (2024) 04005DOI: https://doi.org/10.1051/e3sconf/202451304005