HAMISHEH BAHAR, Mahdi. Beyond Propensity Score: The SAHR, Subgroup-Aware Holistic Ridge for Causal Inference in Observational Studies. Research Annals of Industrial and Systems Engineering, [S. l.], v. 3, n. 2, p. 134–145, 2026. DOI: 10.22105/raise.v3i2.97. Disponível em: https://raise.reapress.com/journal/article/view/97.. Acesso em: 24 aug. 2026.