Nur Laelatun Ni’mah et al. 2024. Study on Pond Culture Water Quality Based On Several Physical and Chemical Parameters in Tambak Oso Village, Sidoarjo Regency. Engineering And Technology Journal. 9, 9 (Sep. 2024), 4993–4998. DOI:https://doi.org/10.47191/etj/v9i09.02.