Nwogu UE, Udebuani AC, Ugwu TN, Ajaraogu JC, Iro CY. Techniques in chitosan extraction from indigenous crab and utilization in bio-filtration of crude oil polluted water. SJES [Internet]. 2023 Dec. 31 [cited 2024 Jul. 4];7(3):266-80. Available from: https://sustinerejes.com/index.php/a/article/view/361