ALKHATEEB, M. A. Knowledge of Mathematics Teachers of How to Teach 8th Graders Content of Triangles. Pedagogika / Pedagogy, [S. l.], v. 131, n. 3, p. 172–200, 2018. DOI: 10.15823/p.2018.41. Disponível em: https://ejournals.vdu.lt/index.php/Pedagogika/article/view/461. Acesso em: 10 mar. 2025.