Silva RS, Donaire DD, Gaspar MA. Analysis of the competition, cooperation, and coopetition: A comparison between planned and unplanned retailer clusters. ReA UFSM [Internet]. 2021 Nov. 9 [cited 2025 Dec. 30];14(4):827-4. Available from: https://periodicos.ufsm.br/reaufsm/article/view/63708