2026. ANALYSIS OF ELECTRICAL LIGHTING INSTALLATIONS IN THE PALM OIL FACTORY OF PT. TUNAS HARAPAN SAWIT IN KARANG TENGAH VILLAGE. Jurnal Fisika dan Studi Pengetahuan Alam. 1, 1 (Feb. 2026), 11–20. DOI:https://doi.org/10.65244/jfsp.v1i1.419.