Darmono, H., Pribadi, S. C., & Isnomo, Y. H. P. (2022). Implementation of Two-Way Voice and Text Communication System Using Fiber Optic Media. Journal of Telecommunication Network (Jurnal Jaringan Telekomunikasi), 12(1), 40-47. https://doi.org/10.33795/jartel.v12i1.257