Oemanas HKO, Nahak S, Mone F, Rodríguez-Nieto CA. Analysis of the Mathematical Reasoning Ability of High School Students in Solving Trigonometric Problems. Indonesian Educational Res. J. [Internet]. 2024 Dec. 30 [cited 2025 Dec. 6];2(2):45-56. Available from: https://journal.id-sre.org/index.php/ierj/article/view/43