ZAFAR, M.; ABDUL RAUF; HAFIZ USAMA QURESHI; MUHAMMAD RIZWAN; KHURRAM SIDDIQUE; SYED MUHAMMAD IMRAN; MUDASSAR, M. A study on electrical resistivity characteristics of Pakistani coal char for earth grounding system. Journal of the Pakistan Institute of Chemical Engineers, [S. l.], v. 51, n. 1, 2023. DOI: 10.54693/piche.05113. Disponível em: https://piche.org.pk/journal/index.php/jpiche/article/view/572. Acesso em: 31 dec. 2025.