Maulida Safitri, Nur, Andi Rahmad Rahim, & Ummul Firmani. " Comparison of Chitosan Characterization from Mussel Shell Waste Using Varying Concentration of Solvents." Kontribusia : Research Dissemination for Community Development [Online], 5.1 (2022): 9-14. Web. 23 Nov. 2024