YULIANA, Yuliana; SYUKRUL HAMDI; RISKY SETIAWAN; SISWANTOYO, Siswantoyo; EDY ISTIYONO; FARIDA AGUS SETIAWATI. Pengembangan dan Validasi Instrumen Motivasi Belajar Matematika Siswa SD Berbasis Item Response Theory. Naradidik: Journal of Education and Pedagogy, [S. l.], v. 5, n. 2, p. 278–293, 2026. DOI: 10.24036/nara.v5i2.442. Disponível em: https://naradidik.ppj.unp.ac.id/index.php/nara/article/view/442. Acesso em: 19 jun. 2026.