Novi Dwantari, Ahmad Rustam, and Ashari Usman. “Optimasi Validitas Dan Reliabilitas Tes Pilihan Ganda Buatan Guru Mata Pelajaran Matematika Kelas Iv Sekolah Dasar”. Journal Sultra Elementary School 2, no. 2 (December 30, 2021): 210–218. Accessed July 2, 2026. https://jurnal.yayasanmeisyarainsanmadani.com/index.php/JSES/article/view/353.