HASHEMI, Nourooz; ABU, Mohd Salleh; KASHEFI, Hamidreza. Undergraduate Students’ Difficulties in Solving Derivative and Integral Mathematical Problems. Sains Humanika, [S. l.], v. 11, n. 2, 2019. DOI: 10.11113/sh.v11n2.1477. Disponível em: https://sainshumanika.utm.my/index.php/sainshumanika/article/view/1477. Acesso em: 19 dec. 2024.