Pobela, Juliani, Ani Hasan, Yuliana Retnowati, Lilan Dama, Herinda Mardin, and Syam Kumaji. “Analisis Butir Soal Ujian Akhir Sekolah (UAS) Kelas X Materi Biologi SMA Negeri 2 Gorontalo”. Jurnal Ilmiah Wahana Pendidikan 11, no. 5.D (May 24, 2025): 179-186. Accessed April 17, 2026. https://www.jurnal.peneliti.net/index.php/JIWP/article/view/11946.