El-Shawaihdi, H., El-Seifat, R.-S., Shaltami , R. and Salloum , M. 2022. Evaluation of geo-hydrochemical and biological contamination of Massah spring water, Massah city, NE Libya. Libyan Journal of Science &Technology. 5, 2 (Sep. 2022). DOI:https://doi.org/10.37376/ljst.v5i2.2292.