K. C. Ugoeze and A. Chukwu, “EVALUATION OF A MODIFIED BIOMATERIAL OF TYMPANOTONUS FUSCATA SHELL POWDER II: FORMULATION OF PYRIMETHAMINE AND PYRIDOXINE HYDROCHLORIDE TABLETS”, J. Drug Delivery Ther., vol. 8, no. 2, pp. 188–193, Apr. 2018, doi: 10.22270/jddt.v8i2.1709.