Kairbekov, Z., Z. Myltykbaeva, and I. Dzheldybaeva. “Hydrotreatment of Virgin Gasoline Fraction Using Mo, Co-Humate/Ni-Skeletal Catalysts”. Chemical Bulletin of Kazakh National University, Vol. 68, no. 4, Dec. 2012, pp. 134-8, doi:https://doi.org/10.15328/chemb_2012_4134-138.