ADHIKARI , T. N. .; SUBEDI , A. . Difficulties of Grade X students in learning Trigonometry . Siddhajyoti Interdisciplinary Journal, [S. l.], v. 2, n. 01, p. 90–99, 2021. DOI: 10.3126/sij.v2i01.39243. Disponível em: https://nepjol.info./index.php/sij/article/view/39243. Acesso em: 21 nov. 2024.