A. Ogbuagu, I. Nweke, and I. Okerulu, “HPLC-UV ANALYSIS AND THE ANTIOXIDANT ACTIVITY OF THE CRUDE METHANOL EXTRACT AND THE SOLVENT FRACTIONS OF THE PERICARP OF LANDOLPHIA OWARIENSIS FRUIT USING DPPH.”, JCSN, vol. 44, no. 5, Sep. 2019.