ANALISIS TINGKAT KESUKARAN SOAL PERSAMAAN DAN PERTIDAKSAMAAN NILAI MUTLAK MELALUI PENDEKATAN TEORI TES KLASIK. Indonesian Journal of Learning and Instructional Innovation, [S. l.], v. 1, n. 02, p. 28–33, 2023. DOI: 10.20961/ijolii.v1i02.1045. Disponível em: https://journal.uns.ac.id/index.php/ijolii/article/view/1045. Acesso em: 30 oct. 2024.