Tasbulatova У., and Baimukhanbetova Э. “Problematic Aspects of the Development of Supply Chains in the E-Commerce Market in the Context of Multi-Channel Retail”. ECONOMIC Series of the Bulletin of the L N Gumilyov ENU, no. 1, Mar. 2023, pp. 25-33, doi:10.32523/2789-4320-2023-1-25-33.