ABDULLAH AL BALUSHI, K.S. , DEVI, G. , RASHID KHAMIS AL GHARIBI , A.S. , ADEEB, M.A.S. , AL HUDAIFI, A.S.M. and KHALFAN AL SHABIBI, S.S. 2021. Extraction of Bio Polymers from Crustacean Shells and its Application in Refinery Wastewater Treatment. Walailak Journal of Science and Technology (WJST). 18, 5 (Feb. 2021), Article 11543 (11 pages). DOI:https://doi.org/10.48048/wjst.2021.11543.