Wati, Mustika, and Saiyidah Mahtari. “Pengembangan Instrumen Kognitif Fisika Siswa SMP”. Jurnal Penelitian dan Pengkajian Ilmu Pendidikan: e-Saintika 1, no. 1 (December 27, 2017): 45–56. Accessed February 6, 2026. https://journal-center.litpam.com/index.php/e-Saintika/article/view/5.