KHAMIDOV, Vakhid. “INFLUENCE OF PLASMA ON DEFLECTION ANGLE BY A SCHWARZSCHILD BLACK HOLE IN PERFECT FLUID DARK MATTER”. «ACTA NUUz», vol. 3, no. 3.2, Sept. 2026, pp. 410-3, http://journals.nuu.uz/index.php/actanuuz/article/view/14778.