ARNAWA, I. M.; SUMARNO, U.; KARTASASMITA, B.; BASKORO, E. T. APPLYING THE APOS THEORY TO IMPROVE STUDENTS ABILITY TO PROVE IN ELEMENTARY ABSTRACT ALGEBRA. Journal of the Indonesian Mathematical Society, [S. l.], v. 13, n. 1, p. 133–148, 2012. DOI: 10.22342/jims.13.1.80.133-148. Disponível em: https://jims-a.org/index.php/jimsa/article/view/80. Acesso em: 23 nov. 2024.