Hydrogeochemical analysis of groundwater in residential areas around the Terjun landfill in Medan city, IndonesiaMeutia Nurfahasdi, Said Muzambiq, Netti Herlina, Silda Adi Rahayu, Jonathan Noventino Manihuruk, Sherzod Kurambaev and Sharof MusayevE3S Web Conf., 434 (2023) 03018DOI: https://doi.org/10.1051/e3sconf/202343403018