@BOOK{ Book!D - 89992051, AUTHOR = " by Paul R. Rosenbaum.", TITLE = "Observational Studies", LIBRARY= "مرکز و کتابخانه مطالعات اسلامی به زبان‌های اروپایی", SUBJECT = "Economics-- Statistics.,Mathematical statistics.,Statistics.", URL = "/book/89992051/Observational-Studies/"}