Marchev, V. (2025) “Conceptual Framework for a Multidimensional Index for Evaluating the In-store Operational Performance Within Retail Chains”, Vanguard Scientific Instruments in Management, 21(1), pp. 1-29. Available at: https://vsim-journal.info/index.php?journal=vsim&page=article&op=view&path[]=557 (Accessed: 10May2026).