LIU, Zhimeng. Research on Measuring User Behavior Response Differences Supported by Propensity Scoring Method. European Journal of AI, Computing & Informatics, [S. l.], v. 2, n. 2, p. 47–53, 2026. DOI: 10.71222/1fwt6g02. Disponível em: https://pinnaclepubs.com/index.php/EJACI/article/view/723. Acesso em: 18 jun. 2026.