SHARMA, J. ASSESSING STUDENTS’ UNDERSTANDING OF PRE-CALCULUS CONCEPTS. International Journal of Research -GRANTHAALAYAH, [S. l.], v. 5, n. 11, p. 217–221, 2017. DOI: 10.29121/granthaalayah.v5.i11.2017.2350. Disponível em: https://www.granthaalayahpublication.org/journals/granthaalayah/article/view/IJRG17_A11_825. Acesso em: 3 may. 2024.