Kunaedi, Jajang, Achmad Samsudin, Lilik Hasanah, Adam Hidiana Aminudin, Fanny Herliyana Dewi, Fini Alfionita Umar, Itsna Rona Wahyu Astuti, and Shobrina Nurul Mufida. “Developing Diagnostic Test on Geometrical Optics (DT-GO) Concept”. KnE Social Sciences 9, no. 8 (April 3, 2024): 712–724. Accessed July 17, 2024. https://knepublishing.com/index.php/KnE-Social/article/view/15637.