YULIANTI, I.; AZKA, J.; DARMA PUTRA, N. M.; ASTUTI, B. BURIED WAVEGUIDE POLYMETHYLMETHACRYLATE MODELING FOR REFRACTIVE INDEX SENSOR APPLICATION USING FINITE ELEMENT METHOD. Spektra: Jurnal Fisika dan Aplikasinya, v. 4, n. 3, p. 133 - 142, 30 Dec. 2019.