“ESTIMATION OF SAND CHEMISTRY USING ELECTRICAL SOUNDING: A STUDY OF OPOLO, YENAGOA: Akwapoly Journal of Communication and Scientific Research (APJOCASR)”. Akwapoly Journal of Communication & Scientific Research, vol. 7, no. 2, Sept. 2024, pp. 75-96, https://doi.org/10.60787/apjocasr.vol7no2.23.