List of Articles Nasiru Pindiga Article 1 - SYNTHESIS, CHARACTERIZATION AND APPLICATION OF Ni /SiO2 HETEROGENEOUS NANO CATALYST IN OPTIMIZATION OF METHYL ESTER FROM Khaya senegalensis SEED OIL 10.22034/jna.2022.1928789.1253 Mela Yoro Wilson Lamayi Nasiru Pindiga Zaccheus Shehu Journal of Nanoanalysis , Issue 1 , Year , Winter 2023