Hydraulic conductivity and calcium carbonate content of biocemented heavy-metal contaminated mine waste soilJodin Makinda, Khairul Anuar Kassim, Kamarudin Ahmad, Abubakar Sadiq Muhammed and Muttaqa Uba ZangoE3S Web Conf., 331 (2021) 03001DOI: https://doi.org/10.1051/e3sconf/202133103001