Removal of Chromium (Cr) and Copper (Cu) from Domestic Wastewater Using Chitosan Flakes from Seafood Waste. - Baharudin, Fauzi; Najman, Muhammad Akmal; Mohamad, Irma Noorazurah; Mohd Zaki, Zaizatul Zafflina; Muhd Sidek, Muhd Norhasri; Ghazali, Suriati (EnvironmentAsia, 2025)