Bayu, C.P., Yohanie, D.D. and Handayani, A.D. 2021. 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. 7, 2 (Nov. 2021), 161-171. DOI:https://doi.org/10.29407/jmen.v7i2.16247.