Nafingah, Siti, Mohamad Agung Rokhimawan, Ali Mustadi, and Muhammad Nur Wangid. “Levels of Inquiry-Interactive Demonstration: Its Effect on Students’ Critical Thinking Ability in Online Learning With the Topic of Waves and Sounds”. Jurnal Penelitian & Pengembangan Pendidikan Fisika 6, no. 2 (December 31, 2020): 255 - 266. Accessed April 19, 2024. https://journal.unj.ac.id/unj/index.php/jpppf/article/view/17786.