ANALYSIS OF CONSUMER BEHAVIOUR IN A RETAIL DRUGSTORE CHAIN IN RUSSIA BASED ON THE TYPE OF CONSUMER LOYALTY СтатьяGalkina G., Gribkova E., Pak T., Bazarkina O., Sudarenko K., Kurashov M., Smirnov A.Tropical Journal of Pharmaceutical Research. Том 18. 2019. С. 1133-1140