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ขันธไชย ณ. Green, Samuel B. (1991) “How Many Subjects Dose It Take to Do a Regression Analysis?” Multivariate Behavioral Research, 26(3), 499-510. JKBU [internet]. 2014 Dec. 8 [cited 2026 Sep. 20];15(1):140-4. available from: https://so04.tci-thaijo.org/index.php/jkbu/article/view/25270