COVID-19 1 Customer preferences 1 Decision making 1 Decision matrix 1 Decisions makings 1 Electronic commerce 1 FBWM Fuzzy Decision making 1 Markov processes 1 Markovian 1 Markovian-based decision-making 1 Resilience 1 Sales 1 Selection problems 1 Supplier selection 1 Supply chain management 1 Sustainability 1 Sustainable development 1