“Site selection strategy for restaurant chain expansion in urban districts based on maximization of customer attraction and profitability: ACKNOWLEDGEMENTS: This work was Supported by National Key Laboratory of Science and Technology on Helicopter Transmission(Nanjing University of Aeronautics and Astronautics)(Grant No. HTL-O-20K01) and Changzhou Science and Technology Planning Project(CE20225067)”. (2025) International Scientific Technical and Economic Research, pp. 57–70. Available at: https://istaer.online/index.php/Home/article/view/No.2320 (Accessed: 20 April 2025).