Kartikeya Raina, Omdeep Gupta 2022. How can the ‘big 4’ UK supermarkets (i.e. Morrisons, Asda, Tesco and Sainsbury’s) effectively compete with discount supermarkets (e.g. Lidl, Aldi). CEMJP. 30, 2 (Apr. 2022), 37–42.