Singh, D. “Static Spherical Fluid Models in Einstein–Cartan–Sciama–Kibble Theory A Study of Torsion, Spin–Gravity Coupling, And Self-Gravitating Configurations”. International Journal Of Mathematics And Computer Research, Vol. 14, no. 10, Oct. 2026, pp. 6886-93, doi:10.47191/ijmcr/v14i10.01.