Nguyễn Văn Bằng, Lê Thanh Bắc and Nguyễn Thị Phượng 2022. Study on structural characterization of hexamolybdocobaltate(III) pyridine-3-carboxylic acid (H3O)3[СoMО6O18(OH)6].(С6H5NO2)2.5Н2О. Journal of Military Science and Technology. 81 (Aug. 2022), 86–91. DOI:https://doi.org/10.54939/1859-1043.j.mst.81.2022.86-91.