Arinda AD, Sri, 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]. 2024 Feb. 1 [cited 2026 Apr. 30];8(1):1-13. Available from: http://jurnal.unipar.ac.id/index.php/ej/article/view/1418