ABDULSAHIB, W. K., S. H. GANDUH, . M. A. MAHDI, and L. S. JASIM. “ADSORPTIVE REMOVAL OF DOXYCYCLINE FROM AQUEOUS SOLUTION USING GRAPHENE OXIDE/HYDROGEL COMPOSITE”. International Journal of Applied Pharmaceutics, vol. 12, no. 6, Nov. 2020, pp. 100-6, doi:10.22159/ijap.2020v12i6.39118.