KASHEFI, Hamidreza; ISMAIL, Zaleha; MOHAMMAD YUSOF, Yudariah. Learning Functions of Two Variables Based on Mathematical Thinking Approach. Sains Humanika, [S. l.], v. 63, n. 2, 2013. DOI: 10.11113/sh.v63n2.152. Disponível em: https://sainshumanika.utm.my/index.php/sainshumanika/article/view/152. Acesso em: 20 dec. 2024.