Arinda AD, Kantun S, Herlindawati D, Vera Dinata E. Analisis Validitas Isi Butir Soal Penilaian Akhir Semester Ganjil Mata Pelajaran Ekonomi Kelas XI IPS Di SMA Negeri 4 Jember. ej [Internet]. 2024Feb.1 [cited 2025Mar.10];8(1):1-13. Available from: https://jurnal.unipar.ac.id/index.php/ej/article/view/1418