Nur Wahyu Indah Yani, Winda Pratiwi, Reikeisya Dwi Arimbi Putri Nabira, and Dea Eliza Desri. 2024. “Transformation of Electronic Communication System into Optical Communication System ”. Journal of Science, Learning Process and Instructional Research 2 (2):28-34. https://journal.riau-edutech.com/index.php/joslepi/article/view/61.