Listyorini, W. , Niyartama, T.F. and Zakaria, M.F. 2017. Identification of Manganese Distribution Using Very Low Frequency (VLF) Method at Karangsari Village, Pengasih Sub-District, Kulonprogo Regency, DIY. Proceeding International Conference on Science and Engineering. 1, (Oct. 2017), 147–152. DOI:https://doi.org/10.14421/icse.v1.286.