RAVANIS, K. Mental representations and obstacles in 10-11 year old children’s thought concerning the melting and coagulation of solid substances in everyday life. Preschool and Primary Education, [S. l.], v. 1, p. 130–137, 2013. DOI: 10.12681/ppej.38. Disponível em: https://ejournals.epublishing.ekt.gr/index.php/education/article/view/1814. Acesso em: 6 μαΐου. 2024.