فهرس المقالات Nasiru Pindiga المقاله 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 , العدد 1 , السنة 10 , زمستان 1401