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শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNational Research Council (U.S.). Panel on Handling Missing Data in Clinical Trials এবং Inc ebrary. The Prevention and Treatment of Missing Data in Clinical Trials. Washington, D.C.: National Academies Press, 2010.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিNational Research Council (U.S.). Panel on Handling Missing Data in Clinical Trials এবং Inc ebrary. The Prevention and Treatment of Missing Data in Clinical Trials. National Academies Press, 2010.
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