Wilujeng H. PROFILE OF STUDENT ALGEBRA THINKING ABILITY BASED ON MATHEMATICAL PRELIMINARY SKILLS. Int. J. Res. Granthaalayah [Internet]. 2017 Nov. 30 [cited 2025 Oct. 26];5(11):210-6. Available from: https://granthaalayahpublication.org/journals/granthaalayah/article/view/IJRG17_A11_822