Artaga, Rajendra Cakra. “Mastery of Science Concepts Improves Scientific Attitude in Elementary School Students”. Jurnal Ilmiah Sekolah Dasar 5, no. 4 (October 7, 2021): 606–612. Accessed April 24, 2024. https://ejournal.undiksha.ac.id/index.php/JISD/article/view/37897.