Sudarti, Sudarti, et al. “Analysis of Physical Resistance of Apple Tomatoes After Exposed to A Magnetic Field Extremely Low Frequency (ELF) Intensity 600 µT and 1000 µT”. Jurnal Penelitian Pendidikan IPA, vol. 8, no. 6, Dec. 2022, pp. 2872-8, doi:10.29303/jppipa.v8i6.2306.