Nyamdavaa, D., L. Badarch, B. Ulziisaikhan, B. Ulziisaikhan, U. Dulamragchaa, and M. Battsogt. “Real Time Face Recognition Software Development for People With and Without Face Masks”. Journal of Institute of Mathematics and Digital Technology, vol. 4, no. 1, Dec. 2022, pp. 61-67, doi:10.5564/jimdt.v4i1.2662.