Budiyanto, M., Yasin, M., & Harun, S. W. (2019). Sensitivity Approach of Optical Sensors of Cholesterol Detection through Gaussian Beam and Quasi-Gaussian Beam. Jurnal Penelitian Fisika Dan Aplikasinya (JPFA), 9(1), 22–31. https://doi.org/10.26740/jpfa.v9n1.p22-31