Toinda, L. O. R., and S. Sunardi. “Evaluation and Identification of Opportunities for Saving Electrical Energy Consumption in Artificial Lighting Systems Inside Buildings”. JMPM (Jurnal Material Dan Proses Manufaktur), vol. 8, no. 2, Jan. 2025, pp. 86-97, doi:10.18196/jmpm.v8i2.22184.