Fitriyati, F., Kurniawan, E. S., & Ngazizah, N. (2013). Pengembangan LKS Fisika SMA Kelas X Semester II dengan Website Online Berbasis Contextual Teaching Learning. Radiasi : Jurnal Berkala Pendidikan Fisika, 3(1), 7-11. Retrieved from https://ebook.umpwr.ac.id/index.php/radiasi/article/view/451