BAYU, C. P. .; YOHANIE, D. D.; HANDAYANI, A. D. . Analysis of student errors in solving comparative trigonometry problems of right-angled triangles based on watson’s criteria. Jurnal Math Educator Nusantara: Wahana Publikasi Karya Tulis Ilmiah di Bidang Pendidikan Matematika, [S. l.], v. 7, n. 2, p. 161–171, 2021. DOI: 10.29407/jmen.v7i2.16247. Disponível em: https://ojs.unpkediri.ac.id/index.php/matematika/article/view/16247. Acesso em: 22 dec. 2024.