OKTAVIHARI, Dita; PRIATNA, Nanang; AVIP PRIATNA, Bambang. Learning Obstacles for Grade XI High School Students in Trigonometric Equation Material. Mandalika Mathematics and Educations Journal, [S. l.], v. 6, n. 2, p. 690–698, 2024. DOI: 10.29303/jm.v6i2.7980. Disponível em: http://jurnalfkip.unram.ac.id/index.php/MANDALIKA/article/view/7980. Acesso em: 22 dec. 2024.