Pravitasari, Arinda, Wati, Eka, Amanda, Via, agustin, Adelia, Puji Lestari, Adelia, Sudarti, Sudarti, AND Kurnia, Saidah. " Utilization of Tempe as a Base Material in the Study of Electromagnetic Wave Properties in the ELF (Extremely Low Frequency) Range" JURNAL PEMBELAJARAN FISIKA [Online], Volume 13 Number 4 (19 December 2024)