KIRANA, Anik; KHOLIFAH, Siti. Approach Higher Order Thinking-Problem Based Learning in Learning Mathematics Material Linear Equations Absolute Value One Variable. INNOVATION RESEARCH JOURNAL, [S.l.], v. 1, n. 1, p. 20-28, feb. 2020. ISSN 2721-6675. Available at: <https://journal.umg.ac.id/index.php/innovation/article/view/1188>. Date accessed: 23 nov. 2024. doi: http://dx.doi.org/10.30587/innovation.v1i1.1188.