Michael, William Burton. ( w 3 rekordach )
- Michael, William B.
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- LCA online
- Michael, William Burton.
- Elementary statistical exercises / Guilford, J. P.
- Handbook in research and evaluation : a collection of principles, methods, and strategies useful in the planning, design, and evaluation of studies in education and the behavioral sciences / Isaac, Stephen.
- Intermediate statistical exercises / Guilford, J. P.