NURSYAHIDAH, Farida; ALBAB, Irkham Ulil. Investigating student difficulties on integral calculus based on critical thinking aspects. Jurnal Riset Pendidikan Matematika, [S. l.], v. 4, n. 2, p. 211–218, 2017. DOI: 10.21831/jrpm.v4i2.15507. Disponível em: https://jurnal.uny.ac.id/index.php/jrpm/article/view/15507. Acesso em: 8 jun. 2025.