HIRÇA, Necati; ÇALIK, Muammer; AKDENİZ, Fikret. Investigating Grade 8 Students’ Conceptions of ‘Energy’ and Related Concepts. Journal of Turkish Science Education, [S. l.], v. 5, n. 1, p. 76–88, 2008. Disponível em: https://www.tused.org/index.php/tused/article/view/23. Acesso em: 21 jan. 2026.