Lima MF, Abreu FOM da S. COMPARISON OF CHITOSAN SULFATATION METHODS FOR CU²⁺ ADSORPTION. Rev. Coleta Cient. [Internet]. 2020Dec.22 [cited 2026Aug.13];4(8):01-7. Available from: http://portalcoleta.com.br/index.php/rcc/article/view/2