Survey methodology and missing data: tools and techniques for pratitioners.

द्वारा Laaksonen, Seppo
प्रकाशित 2018

Fundamentals of Clinical Trials /

द्वारा Friedman, Lawrence M, DeMets, David L, Furberg, Curt D, Granger, Christopher B, Reboussin, David M
प्रकाशित 2015