Sagala, Maulida Rahmi, Derlina, and Wawan Bunawan. “Pengembangan Instrumen Tes Literasi Sains Model PISA Pada Materi Optik”. Jurnal Pendidikan Fisika 14, no. 1 (June 30, 2025): 144–151. Accessed July 3, 2025. https://jurnal.unimed.ac.id/2012/index.php/jpf/article/view/67160.