Umacina, Nurlaila Eka Putri, Aswin H. Mandolang, and Inneke T. Rondonuwu. “ANALISIS BUTIR SOAL SUMATIF SEMESTER GANJIL MATA PELAJARAN FISIKA”. Charm Sains: Jurnal Pendidikan Fisika 1, no. 2 (August 31, 2020): 33-38. Accessed August 1, 2026. https://eurekaunima.com/index.php/jpfunima/article/view/14.