Virginia, Sagita, Widiya Angraini, Wika Pratesya, and Ahmad Walid. “Analisis Butir Soal Ulangan Harian IPA Terpadu Kelas VII SMP 05 Kota Bengkulu Tahun Pelajaran 2020/2021”. Jurnal PTK dan Pendidikan 6, no. 2 (January 1, 2021). Accessed January 14, 2026. https://jurnal.uin-antasari.ac.id/index.php/ptkpend/article/view/4173.