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Occupation Injury Statistics from Household Surveys and Establishment Surveys: An ILO Manual Автор: Karen Taswell, Peter Wingfield-Digby Год: 2008 |
Building Surveys Автор: Peter Glover Год: 2010 |
MODELING BASED INTERACTIVE ENGAGEMENT IN INTRODUCTORY PHYSICS COURSE Автор: funda ornek Год: 2010 |
How to Conduct Your Own Survey Автор: Priscilla Salant, Don A. Dillman Год: 1998 |