Mohamad M.E. Shakdofa, Kamal A. Aly, Pankaj Sharma, and Gomaa A. M. Ali. 2017. “On the Study of Racah Parameter B for Nickel (II) and Cobalt (II) Compounds”. Journal of Advanced Thermal Science Research 4 (1):31-33. https://doi.org/10.15377/2409-5826.2017.04.5.