Toinda, L.O.R. and Sunardi, S. 2025. Evaluation and Identification of Opportunities for Saving Electrical Energy Consumption in Artificial Lighting Systems Inside Buildings. JMPM (Jurnal Material dan Proses Manufaktur). 8, 2 (Jan. 2025), 86–97. DOI:https://doi.org/10.18196/jmpm.v8i2.22184.