Khotami MH, Marlina L, wiyono K. The Needs Analysis of the Electronic Student Worksheets (e-LKPD) Based on Discovery Learning for the Topic of Traveling Waves in High School . J. Pendidik. Fis. Teknol. [Internet]. 2023 Jun. 25 [cited 2024 Nov. 22];9(1):163-70. Available from: http://jurnalfkip.unram.ac.id/index.php/JPFT/article/view/5223