1. Designing randomised trials in health, education and the social sciences :
المؤلف: David J. Torgerson and Carole J. Torgerson.
المکتبة: مكتبة كلية الطب و مركز التعلم (طهران)
موضوع: Clinical trials.,Social sciences-- Research-- Methodology.,Health Services Research.,Randomized Controlled Trials as Topic-- methods.,Education.,Research Design.,Social Sciences.
رده :
R853
.
C55
T67
2008