TORANG SIREGAR; LUBIS, Lisda; SIREGAR, Samsiderni; ZUHAIR, Rafidah Afrah; LISA, Defiana; AISYAH, Siti; RAHMADANY, Suci. What Mathematical Knowledge is Needed for Teaching Mathematics ?. International Journal of Applied Educational Research (IJAER), [S. l.], v. 1, n. 1, p. 41–54, 2023. DOI: 10.59890/ijaer.v1i1.391. Disponível em: https://journal.multitechpublisher.com/index.php/ijaer/article/view/391. Acesso em: 7 jul. 2026.