LESTARI, A. D.; SIREGAR, H. P. ANALISIS BUTIR SOAL MATEMATIKA BUATAN GURU SMP NEGERI 1 MEMPURA. Pi: Mathematics Education Journal, [S. l.], v. 2, n. 1, p. 26–33, 2019. DOI: 10.21067/pmej.v2i1.2837. Disponível em: https://ejournal.unikama.ac.id/index.php/pmej/article/view/2837. Acesso em: 26 apr. 2024.