Muhammad, R., Isroni, T. P. wisesa, and T. S. . Syahputra. “Development of a Portable Low-Cost Multispectral Sensor Integrated With IoT and Machine Learning for Classifying Honey Types”. Journal of Energy, Material, and Instrumentation Technology, vol. 6, no. 3, Aug. 2025, pp. 143-5, doi:10.23960/jemit.343.