Mustafa, G. et al. (2022). Shadows and gravitational weak lensing by the Schwarzschild black hole in the string cloud background with quintessential field*G. Mustafa acknowledges the Grant No. ZC304022919 to support his Postdoctoral Fellowship at Zhejiang Normal University. F.A. acknowledges the support of Inha University in Tashkent and research work has been supported by the Visitor Research Fellowship at Zhejiang Normal University. This research is partly supported by Research Grant FZ-20200929344; F-FA-2021-510 and F-FA-2021-432 of the Uzbekistan Ministry for Innovative Development. Chinese physics C. p. . [Online].