Fitrilawati, F., M.O. Tjia, H. Eichner, and C. Bubeck. “Planar Waveguide from PPV Derivatives”. Journal of Mathematical and Fundamental Sciences 33, no. 2 (January 18, 2019): 47-52. Accessed May 6, 2026. https://journals.itb.ac.id/index.php/jmfs/article/view/9223.