Yulianti, I., Azka, J., Darma Putra, N. M. and Astuti, B. (2019) “BURIED WAVEGUIDE POLYMETHYLMETHACRYLATE MODELING FOR REFRACTIVE INDEX SENSOR APPLICATION USING FINITE ELEMENT METHOD”, Spektra: Jurnal Fisika dan Aplikasinya, 4(3), pp. 133 - 142. doi: 10.21009/SPEKTRA.043.04.