Singapore Mathematics and Algebraic Approach in Problem Solving. WVSU Research Journal, [S. l.], v. 3, n. 1, p. 36–47, 2014. DOI: 10.59460/wvsurjvol3iss1pp36-47. Disponível em: https://journal.wvsu.edu.ph/index.php/journals/article/view/47.. Acesso em: 18 mar. 2025.