Utoyo, E.B. et al. 2024. Distribution Pattern of ELF Field Exposure Electricity Distribution Substation Portal Pole Type 20 kV Medium Voltage Network. Jurnal Pendidikan Fisika dan Teknologi. 10, 1 (Jun. 2024), 71–84. DOI:https://doi.org/10.29303/jpft.v10i1.6783.